@article{GDZPPN000462292,
title = {On Asymptotic Cones and Quasi-isometry Classes of Fundamental Groups of 3-manifolds.},
journal = {Geometric and functional analysis},
volume = {5},
year = {1995},
pages = {582-603},
zbl = {0829.57006},
url = {http://dml.mathdoc.fr/item/GDZPPN000462292}
}
Kapovich, M.; Leeb, B. On Asymptotic Cones and Quasi-isometry Classes of Fundamental Groups of 3-manifolds.. Geometric and functional analysis, Tome 5 (1995) pp. 582-603. http://gdmltest.u-ga.fr/item/GDZPPN000462292/