TY  - BOOK
AU  - Harper,William Massie
TI  - Operational research
T2  - The M & E handbook series
SN  - 0712115439 
AV  - HD20.5 .H36 1982
PY  - 1982///
CY  - London
PB  - Macdonald and Evans
KW  - Operations research
N1  -  Includes bibliographical ref. and index
ER  -