TY  - BOOK
AU  - Gass,Saul I.
TI  - Linear programming: : methods and applications
SN  - 0070229686
AV  - T57.74.G3 
PY  - 1975///
CY  - New York
PB  - McGraw-Hill Book Company
KW  - Linear programming
N1  - Includes bibliography
ER  -