R. A. KASTELEIN, W. J. C. KLASEN, J. POSTMA, H. BOER and P. R. WIEPKEMA Food consumption, growth and food passage times in Pacific Walrus International Zoo Yearbook 38
Article first published online: 18 DEC 2007 | DOI: 10.1111/j.1748-1090.2003.tb02080.x
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