1. Comet Kohoutek;Delsemme,1974
2. Albedos and cross-sections for the nuclei of Comets 1969IX, 1970II and 1971II;Delsemme;Astron. Astrophys.,1973
3. Gases at low densities;Esterman;Thermodynamics and Physics of Matter, Vol. 2, High Speed Aerodynamics and Jet Propulsion,1955
4. An idealized short period comet model: Surface insolation, H2O flux, dust flux and mantle evolution;Fanale;Icarus,1984
5. A model of gas and dust production and nongravitational forces with application to P/Halley;Fanale;Icarus,1986