@article{article2b42d25b,
title   = {Method of sentinels for packing items within arbitrary convex regions},
author = {Birgin, Ernesto Julian Goldberg and Martinez, José Mário and Mascarenhas, Walter Figueiredo and Ronconi, Débora Pretti},
year = {2006},
doi = {10.1057/palgrave.jors.2602067},
journal   = {Journal of the Operational Research Society}
}