Report on a study of hornbills in Sarawak with comments on their conservation - Kemp, Alan C.; Kemp, Margaret I. (Kuala Lumpur World Wildlife Fund Malaysia, 1974)
Bibliography: p.46-47
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Keywords: Hornbills; Birds, Protection of -- Sarawak; Wildlife conservation -- Sarawak; Sarawak -- Birds, Protection of; Sarawak -- Wildlife conservation