D.Harris <br/><br/>
Hydro-ponics 

 - Canada  Coles publishing co.ltd.  1975 
<br/><br/>  
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology <br/>Science
<br/><br/><label>LC Class. No.: </label>SB126.5  / .H29-1975