00257nam a2200121Ia 4500020001500000082002100015100001700036245002100053260003600074300001500110500000500125700000500130  a081627665X  a338.52bSc428.PS  aScott, R. H.  aPricing systemb  aSan FranciscobHolden Dayc1973  axvi, 293p.  a  a