@article{correia_oliveira_ferreira_2000,  title={Cylinder packing by simulated annealing},  volume={20},  ISSN={0101-7438},  url={https://doi.org/10.1590/S0101-74382000000200009},  DOI={10.1590/S0101-74382000000200009},  number={2},  journal={Pesquisa Operacional},  publisher={Sociedade Brasileira de Pesquisa Operacional},  author={Correia, M. Helena and Oliveira, José F. and Ferreira, J. Soeiro},  year={2000},  month={Dec},  pages={269–286} }