have optimum production runs and their smallness prevents the concentration of technical investments and adoption of new methods of organization of the U.S. industry. The U.S. figures for value of output per head and productivity per head are almost twice those for the EEC and three times those for the U.K. Profits as percentage of own capital for 1966 were 3.80% for France, 5.34% for the U.K., and 15.8% for the U.S., and the annual rate of turnover of total net assets was 0.56 for France, 1.12 for the U.K., and 2.1 for the U.S. It is felt that the structural and operational shortcomings in the European aerospace industry are the result of the inability of the industry, and of the public authorities concerned with it, to program and carry through the production of optimum production runs. N.E.N. N72-14975# Commission of the European Communities, Brussels (Belgium). THE AERONAUTICAL AND SPACE INDUSTRIES OF THE COMMUNITY COMPARED WITH THOSE OF THE UNITED KINGDOM AND THE UNITED STATES. VOLUME 3: THE SPACE ACTIVITIES 1971 205 p refs 5 Vol. (Rept-7042-Vol-3) Avail: NTIS The space activities of the United States. international agencies, European cooperative agencies, and the programs of the United Kingdom and the individual European countries are discussed. The histories of the various space programs are reviewed, and their current prospects are described. Details are presented on the U.S. military and NASA programs, Intelsat and Comsat, ELDO and ESRO, and the space programs of the United Kingdom, France, Germany, Italy, Belgium, and the Netherlands. Space expenditures of the European countries are compared with those in Britain and the United States, and international cooperation among the European countries and between Europe and the United States is reported. Europe's lag in space activities, the industrial posture in Europe, and the attitudes of the politicians are described. Projections of growth for the EEC countries and the UK. are presented, and the need for investment and advanced planning is stressed. N.E.N. N72-14976# Commission of the European Communities, Brussels (Belgium). THE AERONAUTICAL AND SPACE INDUSTRIES OF THE COMMUNITY COMPARED WITH THOSE OF THE UNITED KINGDOM AND THE UNITED STATES. VOLUME 4: THE AERONAUTICAL MARKET 1971 227 p refs 5 Vol. (Rept-7042-Vol-4) Avail: NTIS The markets for civil aircraft and military aircraft and missiles are discussed. With respect to civil aviation, the types and numbers of aircraft, the airline companies, and air traffic are described, and the structure size of the light aircraft market are given. The number and types of civil aircraft in service in 1980 and the demand in the period 1968 to 1979 are estimated. The military aircraft and missile forces, expenditures, and trends in the European Economic Community, the United Kingdom, and the United States are also discussed, and assumptions concerning the development of the demand for military aircraft and missiles in the seventies are emphasized. The international trade in aircraft, airframes, and aircraft engines is described, and details are given on the imports and exports of the Community, the United Kingdom, and the United States. N.E.N. N72-14977# Commission of the European Communities, Brussels (Belgium). THE AERONAUTICAL AND SPACE INDUSTRIES OF THE COMMUNITY COMPARED WITH THOSE OF THE UNITED KINGDOM AND THE UNITED STATES. VOLUME 5: TECHNOLOGY: BALANCE OF PAYMENTS, THE ROLE OF THE AEROSPACE INDUSTRY IN THE ECONOMY, CRITICAL ASSESSMENT OF THE RESULTS OF THE SURVEY 1971 88 p refs 5 Vol. (Rept-7042-Vol-5) Avail: NTIS Holdings of United States companies in European firms, and of European firms in other European companies are described, and the share of technical and financial exchanges in the European Economic Community aerospace industries is summarized. The areas most affected by spinoffs from the aerospace industry are described, based on the United States experiences. The technical areas are medicine and biology. electronics and electricity, mechanical engineering and materials. chemicals and propulsive systems, and management techniques which may be the most significant spinoff. The most significant aspect of the economic fallout is considered to be the transfer of aerospace technology, at management level, to the solution of important social and economic problems of contemporary society. The influence of the aerospace industry on the economic cycle is illustrated. A critical assessment is made of the EEC aerospace industry's output, markets, and structural problems. and changes in organization and relations with the U.K. industry are suggested. N.E.N. The report examines the serial translation of binary block codes, a topic in the field of automata theory. The translation described is a one-to-one, onto, and exhaustive mapping from the 2(Sup N) input code words of N bits each to the 2(Sup N) Ouput code words of N bits each. The translation procedure utilizes a Mealy-type synchronous machine translator with a single input, single output, and synchronizing clock rate that is equal to the input bit rate. The thesis will classify all translations of this type by their resultant translator behavior and structure, and will calculate the number of translations in each classification. Methods will be presented to place any given translation into one of these classifications, and to find the translator state requirements and associated state transition table for the translations of each classification. Author (GRA) N72-14981# Dayton Univ. Research Inst., Ohio. Frederic L. Scheffler and Jacqueline G. March Wright-Patterson The SDI data base consists of the periodic document index records input to the AMIC system. The users served by the SDI program are 63 engineers, scientists and technical administrators at the AFML and 16 scientific and technical personnel at the University of Dayton. The scope of interest encompasses all materials of current or potential use in aerospace systems and includes theoretical studies, manufacturing processes, and in-service performance and failure analysis. An informal interview technique elicited responses regarding the user assessment of the program and indicated problem areas in the SDI returns received by the users. Most respondents indicated that too many abstracts were being received and relevance was too low. Based on more precise statements obtained in the interviews and on rejected abstracts, profile modifications were effected. An SDI experiment to test the effect of profile modifications on relevance indicated that overall relevance was increased from 37.6% to 51.8%. The primary factor in the improvement was the judicious but copious use of NOT terms to eliminate unwanted abstracts while retrieving desired abstracts. Results showed the validity of the NOT strategy and indicated the effectiveness of direct contact between the information specialist and the SDI user. Author (GRA) N72-14982# American Inst. for Research, Pittsburgh, Pa. Clifford P. Hahn Alexandria, Va. Human Resources Res. Organ. (Contract DAHC19-70-C-0012; DA Proj. 200-62107-A-712) (AD-730881; HUMRRO-TR-71-14) Avail: NTIS CSCL 12/12 Existing U.S. Army Accident Record data were analyzed, seeking relationships that would lead to recommendations for future routine analyses of such data which might help reduce the number and severity of accidents. Numerous computer analysis printouts were submitted to the sponsoring agency. The report describes project activities, distributional results, regression analysis results, and results from a method for comparing relative accident involvement rates. Characteristics of the existing record system and the types of analyses that can be conducted are also discussed. The general conclusion is that the present system seems adequate for inventorying accidents but not to identify human factors associated with on-and-off duty accident experiences: to identify material and equipment design and use characteristics associated with on-duty accidents; or to determine man/vehicle/equipment interactions and their influences on accident and injury incidents. Author (GRA) DOMESTIC NASA deposits its technical documents and bibliographic tools in eleven special regional libraries located in the organizations listed below. Each library is prepared to furnish the public such services as reference assistance, interlibrary loans, photocopy service, and assistance in obtaining copies of NASA documents for retention. An extensive collection of NASA and NASA-sponsored documents and aerospace publications available to the public for reference purposes is maintained by the American Institute of Aeronautics and Astronautics, Technical Information Service, 750 Third Avenue, New York, New York, 10017. EUROPEAN An extensive collection of NASA and NASA-sponsored publications is maintained by the National Lending Library for Science and Technology, Boston Spa, Yorkshire, England. By virtue of arrangements other than with NASA, the National Lending Library also has available many of the non-NASA publications cited in STAR. European requesters may purchase facsimile copy or microfiche of NASA and NASA-sponsored documents, those identified by both the symbols "#" and "*", from: ESRO/ ELDO Space Documentation Service, European Space Research Organization, 114, av. de Neuilly, 92-Neuilly-sur-Seine, France. Aeronautical Engineering: A Special Bibliography (NASA SP-7037) A bibliography containing more than 4000 references to unclassified report and journal literature on aeronautical engineering, covering all appropriate documents entering the NASA scientific and technical information system during the period January through August 1970. Coverage includes engineering and theoretical aspects of design, construction evaluation, testing, operation, and performance of aircraft (including aircraft propulsion systems) and associated components, equipment, and systems, as well as research and development in aerodynamics and aeronautics. A second issue covering the period September through December 1970 is in press, and monthly supplements will be issued thereafter commencing with January 1971. Paperbound. 1152 pp. Available from the National Technical Information Service, Springfield, Va. 22151, for $10.00. Preliminary Results from an Operational 90-Day Manned Test of a Regenerative The proceedings of a symposium held at Langley Research Center, Hampton, Va., November 17-18, 1970, to report on the early results of a test conducted for NASA by the McDonnell Douglas Astronautics Company. The 48 papers presented at the symposium were compiled by Albin O. Pearson and David C. Grana. Paperbound. 616 pp. Available from the National Technical Information Service, Springfield, Va. 22151, for $9.00. Scientific and Technical Information Office NATIONAL AERONAUTICS AND SPACE ADMINISTRATION If Undeliverable Se |