Calayan (Cagayan) (German Wikipedia)

Analysis of information sources in references of the Wikipedia article "Calayan (Cagayan)" in German language version.

refsWebsite

Global rank German rank

2web.archive.org

1^st place

1^st place

web.archive.org

D. Allen et al.: New bird records for the Babuyan islands, Philippines, including two first records for the Philippines (Memento vom 24. September 2011 im Internet Archive; PDF; 200 KB, englisch)
Region II - Cagayan Valley, Cagayan (Memento vom 30. Januar 2010 im Internet Archive)