Patton, Roy L. <br/><br/>
Effects of ozone and sulfur dioxide on height and stem specific gravity of populous hybrids / 
by Roy L. Patton 
 - Washington, D.C. :  U.S. Government Printing Office,  1980 
 - 4 p. ;  27 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Photometry, Ultraviolet<br/>Ozone--Measurement<br/>Air--Pollution--Measurement
<br/><br/><label>Dewey Class. No.: </label>551.5142