Linking habitats for multiple species. - Raul Brás; J. Orestes Cerdeira; Diogo Alagador; Miguel B. Araújo (Environ. Model. Softw., 2013)

The maximum l-triangle k-club problem: Complexity, properties, and algorithms. - Maria Teresa Almeida; Raul Brás (Comput. Oper. Res., 2019)