1. The photoelectric heating mechanism for very small graphitic grains and polycyclic aromatic hydrocarbons
2. The galactic density wave, molecular clouds, and star formation
3. Bertoldi, F. 1997, in First ISO Workshop on Analytical Spectroscopy, ed. A. M. Heras, K. Leech, N. R. Trams, & M. Perry (ESA SP-419; Noordwijk: ESA), 67
4. Bertoldi, F. & McKee, C. F. 1996, in Amazing Light: A Volume Dedicated to C. H. Townes on his 80th Birthday, ed. R. Y. Chiao (New York: Springer), 41
5. Bertoldi, F. & McKee, C. F. 1997, Rev. Mexicana Astron. Astrofis. Ser. Conf., 6, First Guillermo Haro Conference on Astrophysics: Starburst Activity in Galaxies, ed. G. Haro., F. Franco, R. Terlevich, & A. Serrano (Mexico, DF: Inst. Astron., UNAM), 195