Plant photosynthetic production  manual of methods 
<label>;</label> Sestak, Z. <label>;</label> Catsky, J. <label>;</label> Jarvis, P.G. 
 - The Hague  W. Junk N. V. Publishers  1971 
 - xxxi, 818p.  ill.  25 cm. 
<br/><br/><label>Dewey Class. No.: </label>581.13342  / PLA