- Harris, M.P., Frederiksen, M. & Wanless, S. (2007) "Within- and between-year variation in the juvenile survival of Common Guillemots Uria
aalge" Ibis 149:472–481
[notes]
http://dx.doi.org/10.1111/j.1474-919X.2007.00667.x
- Harris, M.P., Heubeck, M., Shaw, D.N. & Okill, J.D. (2006) "Dramatic changes
in the return date of Guillemots Uria aalge to colonies in Shetland, 1962-2005"
Bird Study 53:247-252
[notes]
http://www.ingentaconnect.com/content/tandf/bird/2006/00000053/00000003/art00007
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