000 003640000a22001690004500
060 _a100
082 _a632.951 WES
100 _aCampbell, G A
100 _aWest, T F
245 _aDDT and newer persistent insecticide
250 _a2
260 _aLondon, Chapman & Hall
260 _c1950
300 _a632
650 _aDDT/ insecticide
942 _cBK
999 _c221469
_d221469