TY  - BOOK
ED  - National Bureau of Standards
TI  - Weights and measures administration
U1  - 389.1/N27 
PY  - 1962///
CY  - Estados Unidos
PB  - U.S. Government printing office, 
KW  - PESO
KW  - MEDICIÓN
N1  - 1. General -- 2. Mechanical activities -- 3. Supervisory activities -- 4. System of records
ER  -