[1] R. L. Graham H. O. Pollak:
On embedding graphs in squashed cubes. In: Gгaph Theory and Applications, Proc. Conf. Western Michigan University, May 10-13, 1972. Ed. Alavi Y. - Lick D. R. - White A. T. Lecture Notes in Math. 303. Springer Berlin-Heidelberg-New York 1972, 99-110.
MR 0332576