Thomas Jansen Pietro S. Oliveto Christine Zarges On the Analysis of the Immune-Inspired B-Cell Algorithm for the Vertex Cover Problem. 117-131 2011 ICARIS http://dx.doi.org/10.1007/978-3-642-22371-6_13 conf/icaris/2011 db/conf/icaris/icaris2011.html#JansenOZ11