TY  - BOOK
AU  - Harper,William Massie
TI  - Operational research
T2  - The M & E handbook series
SN  - 0712115145 :
AV  - HD20.5 .H366
U1  - 658.4034 
PY  - 1975///
CY  - London
PB  - Macdonald and Evans
KW  - Operations research
N1  - Includes index; Bibliography: p. vi-vii
ER  -