@article{1256564207, author = {Bauer, Ingrid C. and Pignatelli, Roberto}, title = {Surfaces with $K^{2}=8$, $p\_{g}=4$ and canonical involution}, journal = {Osaka J. Math.}, volume = {46}, number = {1}, year = {2009}, pages = { 799-820}, language = {en}, url = {http://dml.mathdoc.fr/item/1256564207} }
Bauer, Ingrid C.; Pignatelli, Roberto. Surfaces with $K^{2}=8$, $p_{g}=4$ and canonical involution. Osaka J. Math., Tome 46 (2009) no. 1, pp. 799-820. http://gdmltest.u-ga.fr/item/1256564207/