A digging trough as occupational therapy for pacific walrusses (Odobenus rosmarus divergeus) in human care.

R.A. Kastelein, P.R. Wiepkema

    Research output: Contribution to journalArticleAcademicpeer-review

    Original languageEnglish
    Pages (from-to)9-17
    JournalAquatic Mammals
    Volume15
    Publication statusPublished - 1989

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