000 00373 a2200145 4500
080 _a544.62
_bA 285 T
245 1 _aTrace analysis by mass spectrometry
_cedited by A.J. Ahearn
260 _aNew York
_bAcademic Press
_c1972
650 _aTrace Analysis
650 _aMass Spectrometry
700 _aAhearn, A.J., ed.
100 _a
_d
300 _a460 p.
901 _a125891
999 _c67333
_d67333