Cherepanov, S. K <br/><br/>
Additions and changes to the flora of the USSR 

 - 1st ed 
 - Dehra Dun:  Bishen Singh Mahendra Pal Singh,  2002 
 - 667 p. : ill. ; 25 cm 
<br/><br/><label>ISBN: </label>8121102812 
<br/><br/><label>Dewey Class. No.: </label>560 CHE