@article{GDZPPN00232671X, title = {The Birational Geometry of Surfaces with Rational Double Points.}, journal = {Mathematische Annalen}, volume = {270}, year = {1985}, pages = {415-438}, zbl = {0539.14008}, url = {http://dml.mathdoc.fr/item/GDZPPN00232671X} }
Morrison, David R. The Birational Geometry of Surfaces with Rational Double Points.. Mathematische Annalen, Tome 270 (1985) pp. 415-438. http://gdmltest.u-ga.fr/item/GDZPPN00232671X/