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The editorial board of the "MSTU Vestnik" journal supports the «Open Access» policy which enables users to have free and unlimited access to scientific articles (to read, download, copy, distribute) in case the author is indicated when further quoted.

The academic periodical "Vestnik of MSTU" is available under the license Creative Commons «Attribution» (Attribution) 3.0 Unported (CC BY 3.0).

Zaytsev A. A., Yakovlev A. P., Zavoloka P. A.

Changes in activity of harp seal (Pagophilus groenlandicus) in the spring – summer period in conditions of aviary keeping

DOI: 10.21443/1560-9278-2018-21-2-319-327

Abstract