@article{DBLP:journals/transci/AraozFF09,
author = {Juli{\'a}n Ar{\'a}oz and
Elena Fern{\'a}ndez and
Carles Franquesa},
title = {The Clustered Prize-Collecting Arc Routing Problem},
journal = {Transportation Science},
volume = {43},
number = {3},
year = {2009},
pages = {287-300},
ee = {http://dx.doi.org/10.1287/trsc.1090.0270},
bibsource = {DBLP, http://dblp.uni-trier.de}
}