@inproceedings{inproceedingsa937bf2a,
title   = {A simulated annealing based algorithm with collision free region for the irregular shape packing problem},
author = {Sato, André Kubagawa and Martins, Thiago de Castro and Tsuzuki, Marcos de Sales Guerra},
year = {2011},
doi = {10.3182/20110828-6-IT-1002.00563},
publisher = {IFAC},
booktitle   = {World Congress of the International Federation of Automatic Control (IFAC)}
}