@article{couto_camões_tender_2018,  title={Risk evaluation in tunneling excavation methods},  volume={71},  ISSN={2448-167X},  url={https://doi.org/10.1590/0370-44672017710115},  DOI={10.1590/0370-44672017710115},  number={3},  journal={REM - International Engineering Journal},  publisher={Fundação Gorceix},  author={Couto, João Pedro and Camões, Aires and Tender, Manuel Luis},  year={2018},  month={Jul},  pages={361–369} }