Jensen, Merle H. <br/><br/>
New development in hydroponic systems  : descriptions, operating characteristics, evaluations 

 - (s.l. :  s.n.),  (s.a.) 
 - 25 p. 
<br/><br/><label>LCCN: </label>19533 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hidroponía.