[1] J. R. Cook:
Representation of graphs by n-tuples. Proc. 5-th S-E conf. Combinatorics, Graph Theory and Computing 1974, 303-316.
MR 0360367
[2] L. Lovász J. Nešetřil A. Pultr:
On a product dimension of graphs. J. Comb. Th. B. 29 (1980), 47-67.
MR 0584160
[3] J. Nešetřil A. Pultr:
Product and other representations of graphs and related characteristics. Proc. Conf. Algebraic Methods in Graph Theory, Szeged 1978, 571 - 598.
MR 0642062
[4] J. Nešetřil V. Rödl:
A simple proof of the Galvin-Ramsey property of the class of all finite graphs and a dimension of graphs. Discrete Math. 23 (1978) 49-55.
MR 0523311
[5] S. Poljak A. Pultr V. Rödl: On a product dimension of bipartite graphs in Journal of Graph Theory.