@article{article8cd27711,
title   = {Approximation algorithms and hardness results for the clique packing problem},
author = {Chataigner, Frederic and Manic, Gerhard and Wakabayashi, Yoshiko and Yuster, R},
year = {2009},
doi = {10.1016/j.dam.2008.10.017},
journal   = {Discrete Applied Mathematics}
}