Птица секретар (Bulgarian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Птица секретар" in Bulgarian language version.

refsWebsite

Global rank Bulgarian rank

6^th place

11^th place

1journals.co.za

low place

low place

archive.org

Ferguson-Lees, J., Christie, D. A. Raptors of the World. New York, Houghton Mifflin, 2001. ISBN 978-0618127627. с. 248.

journals.co.za

Biggs, H. C. и др. Weights of southern African raptors and owls // Durban Museum Novitates 12 (7). 1979. с. 73 – 81 [75].