Luerbio Faria Celina M. Herrera de Figueiredo Sylvain Gravier Candido Ferreira Xavier de Mendonça Neto Jorge Stolfi On maximum planar induced subgraphs. 1774-1782 2006 154 Discrete Applied Mathematics 13 http://dx.doi.org/10.1016/j.dam.2006.03.021 db/journals/dam/dam154.html#FariaFGNS06