Parker Sybil P Ed <br/><br/>
McGraw-Hill encyclopedia of environmental science 

 - 2nd 
 - New York  McGraw-Hill       1980 
 - 858p  cm. 
<br/><br/><label>Standard No.: </label>21817 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Subjects--Topical Terms: </label><br/>BIOLOGY
<br/><br/><label>Dewey Class. No.: </label>G:55k, L4;M0(RR)