@article{GDZPPN002036967,
title = {The combinatorially regular polyhedra of index 2.},
journal = {Aequationes mathematicae},
volume = {33},
year = {1987},
pages = {206-220},
zbl = {0632.51024},
url = {http://dml.mathdoc.fr/item/GDZPPN002036967}
}
Wills, J.M. The combinatorially regular polyhedra of index 2.. Aequationes mathematicae, Tome 33 (1987) pp. 206-220. http://gdmltest.u-ga.fr/item/GDZPPN002036967/