00391nam a2200121Ia 4500082002600000100006400026245008700090260002600177300000900203490004700212500000500259700000500264  a338.47668625bUn58.NP  aUnited Nations. Industrial Development Organisation, Vienna  aNew process for the production of phosphatic fertilizers using hydrochloric acidb  aNew YorkbUNIDOc1969  a31p.  aFertilizer industry series monograph no. 5  a  a