TY  - BOOK
AU  - Ecker, Joseph G.
AU  - Kupferschmid, Michael
TI  - Introduction to operations resarch
SN  - 0-471-63362-3
U1  - 519.8 
PY  - 1988///
CY  - New York
PB  - John Wiley
KW  - Kupferschmid, Michael
KW  - Operations research
N1  - Includes bibliographies and index
ER  -