Patrizio Angelini Giuseppe Di Battista Fabrizio Frati Vít Jelínek Jan Kratochvíl Maurizio Patrignani Ignaz Rutter Testing Planarity of Partially Embedded Graphs. 202-221 2010 SODA http://www.siam.org/proceedings/soda/2010/SODA10_019_angelinip.pdf conf/soda/2010 db/conf/soda/soda2010.html#AngeliniBFJKPR10