Zubarev, R. A.; Kelleher, N. L.; McLafferty, F. W. (1998). "Electron Capture Dissociation of Multiply Charged Protein Cations - a Nonergodic Process". J. Am. Chem. Soc.120 (13): 3265–3266. doi:10.1021/ja973478k.
McLafferty, F. W.; Hertel, R. H.; Villwock, R. D. (1974). "Probability based matching of mass spectra. Rapid identification of specific compounds in mixtures". Organic Mass Spectrometry. 9 (7): 690–702. doi:10.1002/oms.1210090710.