@article{oliveira_salles neto_moretti_reis_2016,  title={PACKING CIRCLES WITHIN CIRCULAR CONTAINERS: A NEW HEURISTIC ALGORITHM FOR THE BALANCE CONSTRAINTS CASE},  volume={36},  ISSN={0101-7438},  url={https://doi.org/10.1590/0101-7438.2016.036.02.0279},  DOI={10.1590/0101-7438.2016.036.02.0279},  number={2},  journal={Pesquisa Operacional},  publisher={Sociedade Brasileira de Pesquisa Operacional},  author={Oliveira, Washington Alves de and Salles Neto, Luiz Leduino de and Moretti, Antonio Carlos and Reis, Ednei Felix},  year={2016},  month={May},  pages={279–300} }