Anders Dessmark Jesper Jansson Andrzej Lingas Eva-Marta Lundell Mia Persson On the Approximability of Maximum and Minimum Edge Clique Partition Problems. 101-105 2006 CATS http://crpit.com/abstracts/CRPITV51Dessmark.html conf/cats/2006 db/conf/cats/cats2006.html#DessmarkJLLP06