@inproceedings{bdfprauv-bh-12
, author = {S. Bereg and J. M. D\'{\i}az-B{\'a}{\~n}ez and R. Fabila-Monroy and
P. Perez-Lantero and A. Ramirez-Vigueras and T. Sakai and J. Urrutia and I.
Ventura}
, title = {On balanced 4-holes in bichromatic point sets}
, booktitle = {28th European Workshop on Computational Geometry, Assisi,
Perugia, Italy}
, year = {2012}
}