00879nam0-22003131i-450 99000031366040332120240625130608.0000031366FED01000031366(Aleph)000031366FED0120001010d1948----km-y0itay50------baitay-------001yyChemistry and uses of insecticides.By E.R. De OngNew YorkReinhold Publishing Co.1948VIII,345 p., 24 cmChimica applicata66011itaDe Ong,Elmer Ralph17311ITUNINARICAUNIMARCBK990000313660403321A MIC 23779095/2024FAGBC04 112-11CI 4259DINCHFAGBCDINCHChemistry and uses of insecticides129690UNINAING01