@article{AIF_2007__57_2_491_0,
     author = {Calabri, Alberto and Ciliberto, Ciro and Flamini, Flaminio and Miranda, Rick},
     title = {On the genus of reducible surfaces  and degenerations of surfaces},
     journal = {Annales de l'Institut Fourier},
     pages = {491--516},
     year = {2007},
     publisher = {Association des Annales de l{\textquoteright}institut Fourier},
     volume = {57},
     number = {2},
     doi = {10.5802/aif.2266},
     zbl = {1125.14018},
     mrnumber = {2310949},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.5802/aif.2266/}
}