Rao, D N . <br/><br/>
Perpectives in Environmental Botany /  Textual Documents 
D N Rao. 
 - 1st ed / 
 - Locknow :  Print House ,  1985. 
 - 294 p ;  23 cm. 
<br/><br/><label>Subjects--Index Terms: </label>T/G-Botany 
<br/><br/><label>Dewey Class. No.: </label>580  / Ra 18 Pe