TY - BOOK AU - Lederer,Paul S. ED - United States. TI - NBS technical note: NBS interagency transducer project 1951-1979, an overview U1 - 602.1 PY - 1980/// CY - Washington, D.C. PB - United States Government Printing Office KW - Standardization KW - Science KW - Physical instruments N1 - Some issues called : Technical note ER -