00276nam a2200097Ia 450000500170000000800410001705000180005810000160007624500590009226000270015120251229124513.0251229s9999    xx            000 0 und d  aHD 1434   .R6  aRowe, J. W. 0aPrimary Commodities in International Trade.cJ. W Rowe  aLondonbLongmannc1965