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.
National Research Council (U.S.).,National Research Council (U.S.).,National Research Council (U.S.)..Mathematical tables and other aids to computation:a quarterly journal.National Research Council,[1943-1959].