Santos, Miguel A. <br/><br/>
Ecology, natural resources, and pollution 
by Miguel A. Santos. 
 - 2d rev. print. 
 - London  New York  Living Books  Diplomatic Press  c1975. 
 - 106 p.  ill.  22 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 100-102. 
<br/><br/><label>ISBN: </label>0821000829  0821000837  6.00 (U.S.). 
<br/><br/><label>LCCN: </label>74083768   
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human ecology<br/>Contaminacion<br/>Conservacion de Los Recursos Naturales<br/>Ecologia Humana<br/>Pollution<br/>Conservation of natural resources
<br/><br/><label>LC Class. No.: </label>GF47  / S24 1975 
<br/><br/><label>Dewey Class. No.: </label>301.31