Michael R. Fellows Jiong Guo Hannes Moser Rolf Niedermeier A Complexity Dichotomy for Finding Disjoint Solutions of Vertex Deletion Problems. 319-330 2009 MFCS http://dx.doi.org/10.1007/978-3-642-03816-7_28 conf/mfcs/2009 db/conf/mfcs/mfcs2009.html#FellowsGMN09