Mitre Costa Dourado Dieter Rautenbach Vinícius Fernandes dos Santos Philipp Matthias Schäfer Jayme Luiz Szwarcfiter Alexandre Toman On the Radon Number for P 3-Convexity. 267-278 2012 LATIN http://dx.doi.org/10.1007/978-3-642-29344-3_23 conf/latin/2012 db/conf/latin/latin2012.html#DouradoRSSST12