@article{02057279,
title = {The virtual Haken conjecture: Experiments and examples.},
journal = {Geometry \& Topology},
volume = {7},
year = {2003},
pages = {399-441},
doi = {10.2140/gt.2003.7.399},
zbl = {1037.57015},
language = {en},
url = {http://dml.mathdoc.fr/item/02057279}
}
Dunfield, Nathan M.; Thurston, William P. The virtual Haken conjecture: Experiments and examples.. Geometry & Topology, Tome 7 (2003) pp. 399-441. doi : 10.2140/gt.2003.7.399. http://gdmltest.u-ga.fr/item/02057279/