This web page lists the references in my paper:

"A Class of Perfect Graphs", SIAM J. Alg. and Disc. Meth., 3(1982), p. 281-284.

• C. Berge, C. C. chen, V. Chvatal and C. S. Seow, "Combinatorial properties of polyominoes", preprint.
• V. Chvatal, R. L. Graham, A. F. Perold and S. H. Whitesides, Combinatorial designs related to the strong perfect graph conjecture", Discrete Math., 26(1979), pp. 83-92.