00334nam a2200109Ia 4500008004100000082002300041100001300064245008600077260002600163650002100189650001400210220204s9999    xx            000 0 und d  a633(213.52)bARN.2  aARNON, I 0aCrop production in dry regions. V 2. Systematic treatment of the principal crops.  aLondonbLeonardc1972  aIndustrial crops  aOil crops