1. Beegle, L. W. 1997, Ph.D. thesis, Univ. Alabama at Birmingham
2. Beegle, L. W., Wdowiak, T. J., Robinson, M. S., Cronin, J. R., McGehee, M. D., Clemett, S. J. & Gillette, S. 1997, ApJ, in press
3. Hydrogenated Polycyclic Aromatic Hydrocarbons and the 2940 and 2850 Wavenumber (3.40 and 3.51 micron) Infrared Emission Features
4. Colthup, N. B., Daly, L. H. & Wilberley, S. E. 1990, Introduction to Infrared and Raman Spectroscopy (New York: Academic)
5. New emission features in the infrared spectra of two IRAS sources