@article{05902991,
title = {Self-dual planar hypergraphs and exact bond percolation thresholds.},
journal = {The Electronic Journal of Combinatorics [electronic only]},
volume = {18},
year = {2011},
zbl = {1217.05172},
language = {en},
url = {http://dml.mathdoc.fr/item/05902991}
}
Wierman, John C.; Ziff, Robert M. Self-dual planar hypergraphs and exact bond percolation thresholds.. The Electronic Journal of Combinatorics [electronic only], Tome 18 (2011) . http://gdmltest.u-ga.fr/item/05902991/