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  1. By: Ilʹi︠a︡shenko, V. I︠U︡. (Valentin I︠U︡rʹevich)
    Type: Article
    In: Bulletin of the British Ornithologists' Club
    Volume: 104
    Date: 1984
    Page Range: 53--54
    Publication Info: London, British Ornithologists' Club, 1893-