Scientific articles \ Mathematics. Natural sciences \ Zoology \ Systematic zoology

On the expansion of the great egret Casmerodius albus in Pskov oblast in 1996-2016 years

Fetisov S.A.

Journal: Русский орнитологический журнал @ornis

Article in issue: 1327 т.25, 2016.

Free access

Short address: https://sciup.org/140156357

IDS: 140156357

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