DOUGLAS, JAMES SHOLTO <br/><br/>
BEGINNER'S GUIDE TO HYDROPONICS 

 - LONDON  PELHAM BOOKS  1984 
 - 140  HB 
<br/><br/><label>ISBN: </label>0 7207 1507 5 
<br/><br/><label>Dewey Class. No.: </label>631.585  / DOU-B