00275nam a2200097Ia 4500008004100000082002200041100003200063245004800095260002600143300000800169140113s9999    xx            000 0 und d  a631.8(082.2)   L0  aIndian Soc. of Soil Science  aSymposium in fertilizer use. Bulletin No. 8  a1970bISSScNew Delhi  a273