000 00273nam a22001097a 4500
020 _a0521083818
050 _aQD 241
_bJ64
100 _aJohnstone R.A.W.
245 _aMass Spectrometry for Organic Chemistry
260 _bCombridge at the University Press
_c1972
942 _cGEN
999 _c2279
_d2279