1. “Mass Spectrometry, Organic Chemical Applications”;Biemann,1962
2. The mass spectra of amino-acid and peptide derivatives
3. E. Lederer and B. C. Das, in “Peptides” (Proceedings of the VIIIth European Peptide Symposium) (H. C. Beyerman, A. Van de Linde, and W. Maassen Van den Brink, eds.), p. 131. North-Holland Publ., Amsterdam, 1967.
4. Primary structure determination of peptides and proteins by mass spectrometry