Marquis, D.A.  <br/><br/>
A chemical light meter for forest research  (Book) 

 - Upper Darby, PA  U.S. Dept. of Agriculture  1962 
 - 24 p.  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lighting Photochemistry
<br/><br/><label>Universal Decimal Class. No.: </label>535.24.08:634 MAR  / 4404