TY  - BOOK
AU  - Pfaffenberger Roger C
AU  -  Walker David A
TI  - Mathematical programming for economics and business
SN  - 0813810558
U1  - B28910bX, L6 
PY  - 1976///
CY  - Ames
PB  - Iowa State University Press       
KW  - Linear Programming
N1  - Bibliography P 449-58; Appendix P 437-48
ER  -