| Citation | Konyukhov, N.B. and P.J. Ewins 1992 Behaviour and occurrence of black guillemots Cepphus grylle in a colony of pigeon guillemots C. columba on the Chukotka peninsula U.S.S.R. In: Wanless, S. (ed.), Seabird 14. The Seabird Group, pp. 27-32. |
| DOI / ISBN | |
| Paper URL | |
| Ref. No. | 126331 |
| Language | English |
| Usage | used in part |
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