Allen, T. F. H <br/><br/>
Toward a unified ecology 
T. F.H. Allen and Thomas W. Hoekstra 
 - 1st ed 
 - Dehra Dun  Bishen Singh Mahendra Pal Singh  1992 
 - xiv, 384 p. : ill. maps ; 24 cm 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9788121103923 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecotourism - India - Kulu Valley<br/>Environmental policy - India - Kulu valley
<br/><br/><label>Dewey Class. No.: </label>574.501 ALL