1. CS and its Chemical Relatives
2. REACTIONS OF ALPHA, BETA-UNSATURATED DINITRILES
3. Budzikiewiex, H., Djerassi, C., and Williams, D.H. in“Mass Spectrometry of Organic Compounds”, Holden-Day Inc., San Francisco (1967), pp. 416–417.
4. Spectrum 981A in “The Aldrich Library of Infrared Spectra”, (2nd ed. 1975), The Aldrich Chemical Co.
5. Gag, J.A. and Merck, N.F. (1977),J. Forensic Sci.22, 358–364.