@article{oliveira_moretti_reis_2015,  title={MULTI-VEHICLE COVERING TOUR PROBLEM: BUILDING ROUTES FOR URBAN PATROLLING},  volume={35},  ISSN={0101-7438},  url={https://doi.org/10.1590/0101-7438.2015.035.03.0617},  DOI={10.1590/0101-7438.2015.035.03.0617},  number={3},  journal={Pesquisa Operacional},  publisher={Sociedade Brasileira de Pesquisa Operacional},  author={Oliveira, Washington Alves de and Moretti, Antonio Carlos and Reis, Ednei Felix},  year={2015},  month={Sep},  pages={617–644} }