Ouled-Cheikh, J., J. Giménez, P. Verborgh, C. Jiménez-Torres, P. Gauffier, R. Esteban, and R. de Stephanis. “The Non-Consumptive Economic Value of Wildlife: The Case of Three Cetacean Species”. Scientia Marina, vol. 87, no. 4, Dec. 2023, p. e077, doi:10.3989/scimar.05323.077.