00311nam a2200097Ia 4500008004100000082003100041100003600072245006000108260003700168300000800205140113s9999    xx            000 0 und d  a631.92:633.002.2(213)   L0  a"Williams, C.N. & Joseph, K.J."  a"Climate, Soil & Crop paroduction in the Humid Tropics"  a1973bOxford Univ. PresscLondon  a179