00417nam a2200085Ia 4500008004100000082002000041100008500061245015400146260003100300140113s9999    xx            000 0 und d  a547(082.2)   K4  aInternational union of pure & applied chemistry & gesellschaftdeutscher chemiker  a"Organo phosphorous compunds: Special Lectures presents at the symposium on organo-phosphorous compounds held in Hiedelberg, Germany 20-22, May 1964"  a1964bButterworthscLondon