Kotpal R L <br/><br/>
Conepts of ecology 

 - Delhi  Vishal Publications        1983 
 - 303p.  cm. 
<br/><br/><label>Standard No.: </label>81183 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Ecology<br/>Botany
<br/><br/><label>Dewey Class. No.: </label>G:5, L8