Books & Articles
  • Brun, E. (1971) "Change in the dimorph-ratio of bridled guillemots (Uria aalge) on Bear Island" Astarte 4:1-6
    [notes]
  • Brun, E. (1970) "Dimorph-ratio cline of bridled guillemots (Uria aalge) in Norway" Astarte 3:45-50
    [notes]

Species
Internal links


External links