Hollis, H. F. <br/><br/>
Profitable growing without siol 

 - London :  English Universities,  1964 
 - 197 p.  : ilus. 
<br/><br/><label>LCCN: </label>16351 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hidroponía.
<br/><br/><label>Dewey Class. No.: </label>631.585  / H65