TY  - BOOK
AU  - Adam,Everett E.
AU  - Ebert,Ronald J.
TI  - Production and operations management: concepts, models, and behavior 
SN  - 0137250290
PY  - 1989///
CY  - Englewood Cliffs, N.J.
PB  - Prentice Hall
KW  - Production management
ER  -