Seabird numbers and breeding success in Britain and Ireland, 2002
Mavor, R.A.; Parsons, M.; Heubeck, M.; Pickerell, G.; Schmitt, S. (2003). Seabird numbers and breeding success in Britain and Ireland, 2002. UK Nature Conservation, 27. Joint Nature Conservation Committee: Peterborough. ISBN 1-86107-551-0. 95 pp.
Deel van: UK Nature Conservation. Joint Nature Conservation Committee: Peterborough. ISSN 0963-8083, meer
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