W. Riedler,Symposium on the Scientific Use of Balloons and Related Technical Problems.Symposium on the Scientific Use of Balloons and Related Technical Problems (1978 : Innsbruck):scientific ballooning.Pergamon,1979.
International microelectronics Conference.International microelectronics Conference (1975 : Anaheim, Calif., and New York):proceedings of the technical program.Industrial and Scientific Conference Management,1975.
United States.,Clearinghouse for Federal Scientific and Technical Information (U.S.).U.S. Government research & development reports.U.S. Government Printing Office, Division of Public Document,1965-1971.
United States.,Clearinghouse for Federal Scientific and Technical Information (U.S.).U.S. Government Printing Office, Division of Public Document,1965-1971.