Harris, Dudley. <br/><br/>
Hydroponics; growing without soil 

 - 3 ed. rev. 
 - London :  David & Charles,  1971 
 - 218 p.  : ilus. 
<br/><br/><label>LCCN: </label>74037 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hidroponía.
<br/><br/><label>Dewey Class. No.: </label>631.585  / H3 1974