Manoharan, T M, Ed., et al. <br/><br/>
Silent valley: Whispers of reason / 
Manoharan, T M, Ed., et al. 
 -  Kerala Forest Department, TVPM,  1999 
 - p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Life sciences; Biology
<br/><br/><label>Dewey Class. No.: </label>R 570 MAN-S