Briggs, D. <br/><br/>
Plant variation and evolution 

 - London  World Un. Libr.  1969 
 - 256 s. : ill. 
<br/><br/><label>Subjects--Index Terms: </label>EVOLUTION HYBRIDIZING POLYPLOIDS VARIETIES 
<br/><br/><label>Dewey Class. No.: </label>581.38