by Garner, T.W., Gaussiran II, T.L., Tolman, B.W., Harris, R.B., Calfas, R.S., Gallagher, H.
Published in Advances in space research (18.08.2008)

by Garner, T.W., Gaussiran, T.L., Tolman, B.W., Harris, R.B., Calfas, R.S., Gallagher, H.
Published in Advances in space research (01.07.2010)

by TOLMAN, B. W
Published in The Astrophysical journal (01.03.1985)