00238nam a2200109Ia 4500082002000000100002000020245002700040260003600067300001500103500000500118700000500123  a338.55bP337.EH  aPavaskar, M. G.  aEconomics of hedgingb  aBombaybPopular Prakashanc1976  axii, 144p.  a  a