Otto, N.E., <br/><br/>
AQUATIC WEED CONTROL STUDIES// 
N.E. Otto 
 - Washington:  United States Department of the Interior,  1966 
 - 40 pages:  illustrations 
<br/><br/><br/>In English 
<br/><br/><label>Subjects--Topical Terms: </label><br/>AQUATIC WEED
<br/><br/><label>Universal Decimal Class. No.: </label>632.954