Crossing and Weighted Crossing Number of Near-Planar Graphs.

Sergio Cabello Bojan Mohar Crossing and Weighted Crossing Number of Near-Planar Graphs. 38-49 2008 Graph Drawing http://dx.doi.org/10.1007/978-3-642-00219-9_5 conf/gd/2008 db/conf/gd/gd2008.html#CabelloM08