Bohm,Wolfgang <br/><br/>
methods of Studying Root Systems 
/ by Wolfgang Bohm 
 - New York:  Springer,  1979. 
 - xiii,188p. 
<br/><br/><label>ISBN: </label>354009329X 
<br/><br/><label>Dewey Class. No.: </label>581.1  / BOH/M