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3by ASPER, EDWARD D., YOUNG, W. GLENN, WALSH, MICHAEL T.Get access
Published in International Zoo Yearbook (1987)
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4by ASPER, EDWARD D., YOUNG, W. GLENN, WALSH, MICHAEL T.Get access
Published in International Zoo Yearbook (1988)
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Article in Journal/Newspaper -
5by Stevens, Tracy A., Duffield, Deborah A., Asper, Edward D., Hewlett, K. Gilbey, Bolz, Al, Gage, Laurie J., Bossart, Gregory D.Get access
Published in Canadian Journal of Zoology (1989)
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Article in Journal/Newspaper