Diet comparison of four ray species (Raja clavata, Raja brachyura, Raja montagui and Leucoraja naevus) caught along the Portuguese continental shelfInês Farias, Ivone Figueiredo, Teresa Moura, Leonel Serrano Gordo, Ana Neves and Bárbara Serra-PereiraAquat. Living Resour., 19 2 (2006) 105-114DOI: https://doi.org/10.1051/alr:2006010
