TY  - BOOK
AU  - England Wilbur B
AU  -  Leenders Michiel R
TI  - Purchasing and materials management
U1  - X:89U, K2; L5 
PY  - 1975///
CY  - Illinois
PB  - Irwin          
KW  - Purchase Management
N1  - Published previously as procurement: Principles and cases by Wilbur B England
ER  -