Gordon, Malcolm S, et al. <br/><br/>
Animal function: Principles and adaptations 

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 - Macmillan & Co. Ltd., New York  1968 
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<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animal behaviour patterns
<br/><br/><label>Dewey Class. No.: </label>591.5  GOR-A