00297nam a2200097Ia 4500008004100000082002300041100001400064245006200078260005200140300000700192140113s9999    xx            000 0 und d  a631.85(047.3)   L2  aAnonymous  aIndian Phosphate Rock & its utilization report No.Tech./2  a1972bFerilizer Association of IndiacNew Delhi  a73