00482nam a22001337a 4500020002000000020001600020082001600036100002000052245005300072260003400125300003500159500005100194650010300245  a089573009x (hb)  a3527257896   a543.63bLEV  aLevsen, Karsten  aFundamental aspects of organic mass spectrometry  aWeinheimbVerlag Chemiec1978  axiii, 312 p.b: ill.c; 25 cm.  aIncludes bibliographical references and index.  aMass spectrometryvReaction mechanism vIonization processvEquilibrium theoryvGaseous lonsvRIPS