Porter, John <br/><br/>
Physical environment & human activities 

 - Oxford, England  Allen Lane  1993 
 - 127 p.  28 cm. 
<br/><br/> 002518  S 106 
<br/><br/><label>ISBN: </label>0199133328 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human ecology.<br/>Nature--Effect of human beings on
<br/><br/><label>Dewey Class. No.: </label>577  / P578