Mason, John. <br/><br/>
Commercial hydroponics 
John Mason. 
 - Kenthurst, NSW  Kangaroo Press  1990. 
 - 172 p.  ill. (some col.)  25 cm. 
<br/><br/>Includes bibliographical references (p. 170) and index. 
<br/><br/><label>ISBN: </label>0864173008  19.95 
<br/><br/><label>LCCN: </label>91154495  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hydroponics.
<br/><br/><label>LC Class. No.: </label>SB126.5  / .M37 1990 
<br/><br/><label>Dewey Class. No.: </label>631.585  / M3981c 
<br/><br/><label>National Agricultural Library Call No.: </label>SB126.5.M37