Mallick B N Ed. <br/><br/>
Environment and physiology. 

 - New Delhi  Narosa Publishing House      1994 
<br/><br/><label>Standard No.: </label>89291 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>G:550j3, N4