TY  - BOOK
AU  - Zenz Gary J
TI  - Purchasing and the management of materials
U1  - X:89U, K1; M1 
PY  - 1981///
CY  - New York
PB  - Willey USA        
KW  - Quality Control
N1  - Published previously as Purchasing management  by J H Westing etc
ER  -