00314nam a2200121Ia 4500008004100000020001500041082000800056100002500064245004200089250001600131260003700147300000800184240718s9999||||xx |||||||||||||| ||und|| a0195208676 a080 aPriovolos,Theophilos 0aCommodity Risk Management And Finance a1st Edition aWashingtonbThe World Bankc1991 a173