McLafferty, F.W. Interpretation of Mass Spectra
Clarke, E.G.C. Isolation and Identification of Drugs
The Merck Index
The Physicians Desk Reference
The Drug Identification Bible
Jack, D.B. Drug Analysis by Gas Chromatography
McLafferty, F.W. Mass Spectrometry of Organic
Ions
Also recommended, textbooks on General Chemistry, Organic Chemistry,
Instrumental Analysis and Physical Chemistry.