Fretwell, Stephen D <br/><br/>
Population in a seasonal environment 

 - New Jersey  Princeton university press  1972 
 - xxiii, 217 p.; 20cm. 
<br/><br/><label>ISBN: </label>691081050 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Habitat distribution<br/>Human biology<br/>Human seasonal environment<br/>Population biology