Holbrook jack <br/><br/>
Developing a new herbicide 

 - London  The royal  1991 
<br/><br/><label>ISBN: </label>1-870343-35-2 
<br/><br/><label>LC Class. No.: </label>632.954/HOL 
<br/><br/><label>Dewey Class. No.: </label>632.954/HOL