Life at the edge : readings from Scientific American /  
edited by James L. Gould, Carol Grant Gould 
 - New York :   W. H. Freeman,  1989 
 - vii, 162 p. 
<br/><br/><label>ISBN: </label>0716720116 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biología ---Miscelanea
<br/><br/><label>Dewey Class. No.: </label>574 L722