R. A. KASTELEIN, H. J. GROENENBERG and P. R. WIEPKEMA Detailed observations of suckling behaviour of a Grey seal Halichoerus grypus at Harderwijk Marine Mammal Park International Zoo Yearbook 34
Article first published online: 18 DEC 2007 | DOI: 10.1111/j.1748-1090.1995.tb00678.x
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