Vertex and edge covers with clustering properties: Complexity and algorithms.

Henning Fernau David Manlove Vertex and edge covers with clustering properties: Complexity and algorithms. 149-167 2009 7 J. Discrete Algorithms 2 http://dx.doi.org/10.1016/j.jda.2008.09.007 db/journals/jda/jda7.html#FernauM09