Botkin, Daniel B. <br/><br/>
Environmental science :  earth as a living planet / 
Daniel B. Botkin; Edward A. Keller 
 - 4a ed. 
 - New York :  John Wiley & Sons, Inc.,  2003 
 - xxvii  668 p. 
<br/><br/><label>ISBN: </label>0471389145 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences.<br/>Environmental sciences--Case studies.<br/>Human ecology.<br/>Biological diversity.<br/>Sustainable development.<br/>Environmental sciences--Textbooks.<br/>Ciencias ambientales--Libros de texto