00377nam a2200121Ia 4500082002600000100006400026245007300090260002600163300000900189490004700198500000500245700000500250  a338.47668624bUn58.AC  aUnited Nations. Industrial Development Organisation, Vienna  aAmmonium chloride and soda ash dual manufacturing process in Japanb  aNew YorkbUNIDOc1969  a33p.  aFertilizer industry series monograph no. 4  a  a