Emilio Di Giacomo Walter Didimo Giuseppe Liotta Henk Meijer Stephen K. Wismath Constrained Point-Set Embeddability of Planar Graphs. 360-371 2008 Graph Drawing http://dx.doi.org/10.1007/978-3-642-00219-9_35 conf/gd/2008 db/conf/gd/gd2008.html#GiacomoDLMW08