Leonid Portenko (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Leonid Portenko" in Spanish language version.

refsWebsite

Global rank Spanish rank

2^nd place

2^nd place

9,275^th place

low place

doi.org (Global: 2^nd place; Spanish: 2^nd place)

dx.doi.org

Kumari, E. (1974). «Leonid Alexandrovich Portenko 1896-1972». Journal für Ornithologie 115 (3): 365-367. doi:10.1007/BF01644330.

zin.ru (Global: 9,275^th place; Spanish: low place)

«Department of Ornithology: History». Zoological Institute of the Russian Academy of Sciences. Consultado el 18 de abril de 2014.