A guide to operational research
Duckworth, Walter Eric.
Gear, A. E.
Lockett, Alan Geoffrey.
London Chapman and Hall [etc.]
1977
'A Halsted Press book'
Previous ed.: i.e. 1st ed. / by W.E. Duckworth. London : Methuen, 1962
Includes index
ISBN 0-412-13500-2 Pbk : £3.95
Operations research.