1. 2) H. Nakata, Eur. Mass Spectrom., 5, 411 (1999).
2. 24) H. Budzikiewicz, C. Djerassi, and D. H. Williams, “Interpretation of Mass Spectra of Organic Compounds,” Holden-Day, San Francisco (1964).
3. 25) H. Budzikiewicz, C. Djerassi, and D. H. Williams, “Structure Elucidation of Natural Products by Mass Spectrometry,” Vols. 1 and 2, Holden-Day, San Francisco (1964).
4. 26) H. Budzikiewicz, C. Djerassi, and D. H. Williams, “Mass Spectrometry of Organic Compounds,” Holden-Day, San Francisco (1967).
5. 27) K. Biemann, “Mass Spectrometry, Organic Chemical Applications,” McGraw-Hill Inc., New York (1962).