W. F. V. Altena

Membership of the Rosette Nebula Cluster, NGC 2244

L. Marschall, W. F. Altena, L. Chiu, 1982 .

Further degenerate stars. X.

J. B. Oke, J. Greenstein, D. Richstone, 1977 .

Proper motions referred to faint galaxies.

B. Jones, T. Girard, A. Klemola, 1986 .