Clustering Cycles into Cycles of Clusters.

Pier Francesco Cortese Giuseppe Di Battista Maurizio Patrignani Maurizio Pizzonia Clustering Cycles into Cycles of Clusters. 100-110 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3383&spage=100 2004 conf/gd/2004 Graph Drawing db/conf/gd/gd2004.html#CorteseBPP04