@article{DBLP:journals/dm/DulioP07,
author = {Paolo Dulio and
Carla Peri},
title = {On the geometric structure of lattice U-polygons},
journal = {Discrete Mathematics},
volume = {307},
number = {19-20},
year = {2007},
pages = {2330-2340},
ee = {http://dx.doi.org/10.1016/j.disc.2006.09.044},
bibsource = {DBLP, http://dblp.uni-trier.de}
}