Groen, J. <br/><br/>
Photosynthesis of Calendula officinalis L. and Impatiens parviflora Dc., as influenced 

 - Wageningen :  Veenman & Zonen,  1973 
 - 128 p.  ; gráfs 
 - Mededelingen Landbouwhogeschool  ; 73-8 .
 - Mededelingen Landbouwhogeschool  ; 73-8 .
<br/><br/><label>LCCN: </label>15415 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calendula officinalis.<br/>Fotosíntesis.<br/>Impatiens parviflora.<br/>Luz--Efecto en plantas.
<br/><br/><label>Dewey Class. No.: </label>581.13342  / G7