Mpelkas, Christos C. <br/><br/>
Guide to better plant growth with Sylvania gro-Lux 

 - Salem, Mass. :  Sylvania Lighting Products,  [19-?] 
 - [10] p. 
<br/><br/> D14-16 
<br/><br/><label>LCCN: </label>11424 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Luz--Efecto en plantas.