00321nam a2200097Ia 4500008004100000082002500041100002100066245006300087260006500150300000800215140113s9999    xx            000 0 und d  a31:63.002.6(02)   K0  a"Sukhatme, P.V."  aTechnical conversion facgtors for agricultural commodities  a1960bFood & Agric. Organisation of the United NationscRome  a346