00337nam a2200109Ia 4500082002500000100001500025245011700040260003600157300002400193500000500217700000500222  a658.7870184bL193.IM  aLal, A. B.  aInventory models and the problems of price fluctuations; with special reference to a case study of Modi Steelsb  aDelhibShree Publicationsc1981  axii, 179p. Appendix  a  a