Douglas, James Sholto. <br/><br/>
Hydroponics, the Bengal system 

 - 2 ed. 
 - Oxford :  Geoffrey Cumberlege,  1955 
 - 145 p.  : ilus. 
<br/><br/><label>LCCN: </label>21216 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hidroponía.
<br/><br/><label>Dewey Class. No.: </label>631.585  / D692~28