TY  - BOOK
AU  - Plossl G W
AU  -  Wight O W
TI  - Production and inventory control :  Principles and   
U1  - X:89Q, K7 
PY  - 1967///
CY  - Englewood
PB  - Cliffs New Jersey Prentice-Hall       
KW  - Production Control Management
ER  -