@article{journal, author = {Rivera-Ingraham, G. A. and Espinosa, F. and Garc{\'i}a-G{\'o}mez, J. C.}, title = {Present status of the endangered limpet Cymbula nigra (Gastropoda, Patellidae) in Ceuta: how do substrate heterogeneity and area accessibility affect population structure?}, year = {2011}, volume = {34.2}, pages = {319--330}, journal = {Animal Biodiversity and Conservation}, keywords = {Lapas, Especies amenazadas, Cymbula nigra, Heterogeneidad del sustrato, Estrecho de Gibraltar, Ceuta} }