1. Blackwell, D.E. Dewhirst, D.W., and Ingham M.F. 1967: The Zodiacal Light, Adv. Astron. Astrophys. 5, 1.
2. Dumont, R. and Levasseur-Regourd, A.-C. 1988: Properties of Interplanetary Dust from Infrared and Optical Observations. I.Astron. Astrophys. 191, 154.
3. Giese, R.H., Kneißel, B., and Rittich, U. 1986: Threedimensional Models of the Zodiacal Dust Cloud: A Comparative Study, ICARUS 68, 395.
4. Grün, E., Zook, H.A., Fechtig, H., and Giese, R.H. 1985: Collisional Balance of the Meteoritic Complex, ICARUS 62, 244.
5. Hanner, M.S., Giese, R.H., Weiss, K., and Zerull, R.H. 1981: On the Definition of Albedo, Astron. Astrophys. 104, 42.