| Authors(s) | Alvarez D. |
| Year | 1998 |
| Title | The diet of Shags Phalacrocorax aristotelis in the Cantabrian Sea, northern Spain, during the breeding season. Seabird 20: 22-30 |
| Authors(s) | Alvarez D. |
| Year | 1998 |
| Title | The diet of Shags Phalacrocorax aristotelis in the Cantabrian Sea, northern Spain, during the breeding season. Seabird 20: 22-30 |