@article{02221873, title = {Non-singular graph-manifolds of dimension 4.}, journal = {Geometry \& Topology}, volume = {5}, year = {2005}, pages = {1051-1073}, doi = {10.2140/agt.2005.5.1051}, zbl = {1085.57014}, language = {en}, url = {http://dml.mathdoc.fr/item/02221873} }
Mozgova, A. Non-singular graph-manifolds of dimension 4.. Geometry & Topology, Tome 5 (2005) pp. 1051-1073. doi : 10.2140/agt.2005.5.1051. http://gdmltest.u-ga.fr/item/02221873/