Lack, David Lambert. <br/><br/>
Ecological isolation in birds   /    
by David Lack. Main illus by Ro bert Gilmor. 
 - Cambrige, Mass. :   Harvard University Press ,   1971 
 - xi, 404 p. :    ill., maps ;    23 cm. 
<br/><br/>Includes bibliographical references ( p. 357-374.) 
<br/><br/><label>ISBN: </label>0674224426 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bird populations.--------<br/>Isolating mechanisms.--------
<br/><br/><label>Dewey Class. No.: </label>598.2524