Research materials development under the NBS inorgamic materials / edited by F. E. Brinckman and J. B. Wachtman - Washington, D.C. : U.S. Government Printing Office, 1970 - vii, 65 p. ; 26 cm. - NBS special publication ; 333 . Subjects--Topical Terms: Standards, EngineeringStandardization Dewey Class. No.: 658.51062