TY  - BOOK
AU  - Mason,H.L.
ED  - United States.
TI  - Calibration and test services of the national bureau of standrads
U1  -  658.51062 
PY  - 1968///
CY  - Washington, D.C.
PB  - U.S. Government Printing Office
KW  - Standards, Engineering
KW  - Performance standards
KW  - Industrial management
ER  -