| 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 | http://seabirdgroup.org.uk/journals/seabird-14/seabird-14.pdf#page=28 | 
| Ref. No. | 126331 | 
| Language | English | 
| Usage | used in part | 
| Comments on the publication | |
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