Frankel, Otto H et.al. <br/><br/>
Conservation of plant biodiversity   
by Otto H Frankel et.al. 
 - Cambridge  Cambridge University Press  1995 
 - xiv, 299p. 
<br/><br/><label>ISBN: </label>0521467314 
<br/><br/><label>Dewey Class. No.: </label>639.99  / N95