000 00540nam a2200205Ia 4500
001 002822
008 141222s9999 xx 000 0 und d
040 _aDB/INS
041 0 _aeng
084 _aWA240
084 _bE2o
245 1 0 _aEcological effects of pesticides on non-target species
245 1 0 _cExecutive Office of the President. Office of Science and Technology
260 _aWashington
260 _bU.S. Government Printing Office
260 _c1971
300 _a220
650 1 _aPlaguicidas
650 2 _aInsecticidas
999 _c12245
_d12245