TY  - BOOK
AU  - Phillips,Don T.
AU  - Ravindran,A.
AU  - Solberg,James J.
TI  - Operations research: principles and practice 
SN  - 0471687073 :
U1  - 001.424 
PY  - 1976///
CY  - New York
PB  - Wiley
KW  - Operations research
N1  - Includes bibliographical references and index
ER  -