| Authors(s) | Gremillet D., Dey R., Wanless S., Harris M.P. and Regel J. | 
| Year | 1996 | 
| Title | Determining food intake by Great Cormorants and European Shags with electronic balances. J. Field Ornithol. 67: 637-648 | 
| Authors(s) | Gremillet D., Dey R., Wanless S., Harris M.P. and Regel J. | 
| Year | 1996 | 
| Title | Determining food intake by Great Cormorants and European Shags with electronic balances. J. Field Ornithol. 67: 637-648 |