National Assessment of Educational Progress.Mathematical knowledge and skills:selected results from the second assessment of mathematics:Report no. 09-MA-02.Government Printing Office,1979.
National Assessment of Educational Progress.Mathematical applications:selected results from the second assessment of mathematic report no. 09-MA-03.Government Printing Office,1979.
International Research Symposium.Materials Research Symposium (10th : 1979 : Gaithersburg Maryland):Characterization of high temperature vapors and gases .V.2.U. S. Government Office,1979.
Saul I. Gass,Workshop on the Utility and Use of Large-Scale Mathematical Models.Workshop on the Utility and Use of Large-Scale Mathematical Models (1977 : Marryland):Utility and use of large-scale mathematical models.U. S. Government Printing Office,1979.
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.