@article{01928911, title = {4--manifolds as covers of the 4--sphere branched over non-singular surfaces.}, journal = {Geometry \& Topology}, volume = {6}, year = {2002}, pages = {393-401}, doi = {10.2140/gt.2002.6.393}, zbl = {1021.57003}, language = {en}, url = {http://dml.mathdoc.fr/item/01928911} }
Iori, Massimiliano; Piergallini, Riccardo. 4--manifolds as covers of the 4--sphere branched over non-singular surfaces.. Geometry & Topology, Tome 6 (2002) pp. 393-401. doi : 10.2140/gt.2002.6.393. http://gdmltest.u-ga.fr/item/01928911/