Author/Editor		Bordjan, Dejan
Title		Sivka Aythya ferina in kostanjevka A. nyroca
Translated title		Pochard & Ferruginous Duck
Type		članek
Vol. and No.		Letnik 32, št. 148/149
Publication year		2011
Volume		str. 88
Language		slv, eng
Keywords		ptice opazovanje raca