Khaled M. Elbassioni Kazuhisa Makino Imran Rauf Output-Sensitive Algorithms for Enumerating Minimal Transversals for Some Geometric Hypergraphs. 143-154 2009 ESA http://dx.doi.org/10.1007/978-3-642-04128-0_13 conf/esa/2009 db/conf/esa/esa2009.html#ElbassioniMR09