1. Infrared observations of comet 1965f;Becklin;Astrophys. J.,1966
2. Absorption and Scattering of Light by Small Particles;Bohren,1983
3. Interstellar grain size. II. Infrared photometry and polarization in Orion;Breger;Astrophys. J.,1981
4. Near-infrared studies of comet Halley: polarization and color;Brooke,1986
5. Spectroscopy of emission features near 3 μm in comet Wilson (1986l);Brooke,1988