1. The Infrared Spectra of Complex Molecules;Bellamy,1964
2. K. Florey and P. T. Funke, Squibb Institute for Medical Research, personal communication.
3. Mass Spectra of Nine Medicinal Carbamates
4. F. M. Berger and B. J. Ludwig, U. S.Patent 2, 724, 720(1955).