@article{article72aa4730,
title   = {Solving irregular strip packing problems with free rotations using separation lines},
author = {Peralta, Jeinny and Andretta, Marina and Oliveira, José Fernando},
year = {2018},
doi = {10.1590/0101-7438.2018.038.02.0195},
journal   = {Pesquisa Operacional}
}