@article{DBLP:journals/eccc/ChenGG07,
author = {Yijia Chen and
Martin Grohe and
Magdalena Gr{\"u}ber},
title = {On Parameterized Approximability},
journal = {Electronic Colloquium on Computational Complexity (ECCC)},
volume = {14},
number = {106},
year = {2007},
ee = {http://eccc.hpi-web.de/eccc-reports/2007/TR07-106/index.html},
bibsource = {DBLP, http://dblp.uni-trier.de}
}