000 00355nam a2200145Ia 4500
008 230917s9999||||xx |||||||||||||| ||und||
040 _e120281
_aMAIN
041 _aEnglish
082 _a545.33 S17M
100 _aSafe, S.
245 0 _aMass spectrometry of pesticides and pollutants
260 _aOhio
_bCRC
_c1977
300 _a220p. p.
942 _cBK
999 _c193384
_d193384