Environmental and biological control of photosynthesis 
edited by R. Marcelle 
 - The Hague  W. Junk  1975 
 - 408p.; 21cm. 
<br/><br/> Proceedings of a conference held at the Limburgs Universitair Centrum, 26-30 Aug., 1974 
<br/><br/><label>Dewey Class. No.: </label>581.13342  / MAR