Delorit, Richard J. <br/><br/>
An illustrated taxonomy manual of weed seeds 

 - River Falls, Wis. :  Agronomy Publications,  1970 
 - 175 p.  : ilus. 
<br/><br/><label>LCCN: </label>18122 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Malas hierbas--Semillas<br/>Semillas--Identificación.
<br/><br/><label>Dewey Class. No.: </label>632.58  / D4