@article{02017789, title = {Volume change under drilling.}, journal = {Geometry \& Topology}, volume = {6}, year = {2002}, pages = {905-916}, doi = {10.2140/gt.2002.6.905}, zbl = {1031.57014}, language = {en}, url = {http://dml.mathdoc.fr/item/02017789} }
Agol, Ian. Volume change under drilling.. Geometry & Topology, Tome 6 (2002) pp. 905-916. doi : 10.2140/gt.2002.6.905. http://gdmltest.u-ga.fr/item/02017789/