TY  - BOOK
AU  - Adam Everett E
AU  -  Ebert Ronald J
TI  - Prodction and operation management  :  concepts, models, and behavior
U1  - X:89A, L82 
PY  - 1978///
CY  - Englewood
PB  - Cliffs Prentice-Hall      
KW  - ECONOMICS
ER  -