1. Bock, B.: 1977,Publ. Astron. Soc. Pacific.89, 597.
2. Bodenheimer, P. and Black, D. C.: 1978, in T. Gehrels (ed.),Protostars and Planets, University of Arizona Press, Tucson.
3. Chan, K. L., Chau, W. Y., and Henriksen, R. N.: 1978,Astrophys. J.
225, 625 (Paper I).
4. Chan, K. L., Chau, W. Y., and Henriksen, R. N.: 1980,Astrophys. J.
236, 889.
5. Chandrasekhar, S.: 1969,Ellipsoidal Figures of Equilibrium, Yale University Press, New Haven.