@article{DBLP:journals/eor/CookHRZ12,
author = {Wade D. Cook and
Julie Harrison and
Paul Rouse and
Joe Zhu},
title = {Relative efficiency measurement: The problem of a missing
output in a subset of decision making units},
journal = {European Journal of Operational Research},
volume = {220},
number = {1},
year = {2012},
pages = {79-84},
ee = {http://dx.doi.org/10.1016/j.ejor.2012.01.022},
bibsource = {DBLP, http://dblp.uni-trier.de}
}