Markus Chimani Carsten Gutwenger Mathias Jansen Karsten Klein Petra Mutzel Computing Maximum C-Planar Subgraphs. 114-120 2008 Graph Drawing http://dx.doi.org/10.1007/978-3-642-00219-9_12 conf/gd/2008 db/conf/gd/gd2008.html#ChimaniGJKM08