@article{DBLP:journals/eor/MadlenerAD09,
author = {Reinhard Madlener and
Carlos Henggeler Antunes and
Luis C. Dias},
title = {Assessing the performance of biogas plants with multi-criteria
and data envelopment analysis},
journal = {European Journal of Operational Research},
volume = {197},
number = {3},
year = {2009},
pages = {1084-1094},
ee = {http://dx.doi.org/10.1016/j.ejor.2007.12.051},
bibsource = {DBLP, http://dblp.uni-trier.de}
}