Gurewitz, P. H. Hydraulic research in the United States and Canada / by P. H. Gurewitz - Washington, D.C. : United States Government Printing Office, 1978 - viii, 385 p. ; 30 cm. - NBS Special Publication; 583 . Subjects--Topical Terms: SemiconductorsSemiconductors--Congresses Dewey Class. No.: 629.13251