Relative abundance of harbour porpoises (Phocoena phocoena) from acoustic and visual surveys of the Baltic Sea and adjacent waters during 2001 and 2002
Gillespie, D.; Berggren, P.; Brown, S.; Kuklik, I.; Lacey, C.; Lewis, T.; Matthews, J.; McLanaghan, R.; Moscrop, A.; Tregenza, N. (2005). Relative abundance of harbour porpoises (Phocoena phocoena) from acoustic and visual surveys of the Baltic Sea and adjacent waters during 2001 and 2002. J. Cetacean Res. Manage. 7(1): 51-57
In: Journal of Cetacean Research and Management. International Whaling Commission: Cambridge. ISSN 1561-0713
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