Leopold a. carl <br/><br/>
Plant growth and development  

 - New york McGRAW-hill  1964 
<br/><br/><label>ISBN: </label>0-07-037200-4 
<br/><br/><label>LC Class. No.: </label>581/LEO  / 2 
<br/><br/><label>Dewey Class. No.: </label>581/LEO  / Second edition