Botkin, Daniel B. <br/><br/>
Environmental studies  the Earth as a living planet 
Daniel B. Botkin and Edward A. Keller. 
 - Columbus, [Ohio]  C.E. Merrill Pub. Co.  c1982. 
 - ix, 506 p.  ill.  29 cm. 
<br/><br/> 920504 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0675098130 
<br/><br/><label>LCCN: </label>82080262  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology<br/>Conservation of natural resources<br/>Pollution--Environmental aspects.
<br/><br/><label>LC Class. No.: </label>QH541  / .B65 1982 
<br/><br/><label>Dewey Class. No.: </label>574.5