Human and animal ecology:   Reviews of research 

 - Paris:   UNESCO,   1957 
 - 244p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology
<br/><br/><label>Subjects--Index Terms: </label>Animal 
<br/><br/><label>Universal Decimal Class. No.: </label>591.5  / J7