00290nam a2200121Ia 4500082002100000100001700021245003500038260003100073300002200104490003200126500000500158700000500163  a658.787bL673.SI  aLewis, C. D.  aScientific inventory controlb  aLondonbButterworthsc1970  aviii, 209p. Index  aOperational research series  a  a