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The First International Lake Ladoga Symposium || The Ladoga seal (Phoca hispida ladogensis Nordq.)
Simola, Heikki, Viljanen, Markku, Slepukhina, Tatyana, Murthy, RajasekaraVolume:
10.1007/97
Year:
1996
Language:
english
DOI:
10.1007/978-94-009-1655-5_30
File:
PDF, 895 KB
english, 1996