00306nam a2200109Ia 450000500170000000800410001705000160005810000160007424500650009026000210015565000200017620251229124506.0251229s9999    xx            000 0 und d  aTX 551 .D42  aDema, I .S. 0aNutrition in relation to Agricultiral production.cI .S Dema  aRomeb FAOc1965  aHuman Nutrition