| نقل قول | Petersen, M.R., J.B. Grand and C.P. Dau 2000 Spectacled Eider (Somateria fischeri). In Poole, A. and Gill, G. (eds.), The Birds of North America. The Birds of North America, Inc., Philadelphia, PA. 547:. |
| DOI / ISBN | |
| Paper URL | |
| Ref. No. | 7140 |
| Language | |
| Usage | |
| Comments on the publication | |
| Find this reference in | Google Scholar | Scirus | Species used from this reference |
| Cross references |