Hollis, H.F. <br/><br/>
Profitable growing without soil/ 
H.F. Hollis; edited by D.R. Williams and J.E. Sykes 
 - London:  English University Press,  c1964 
 - ix, 197 p.;  20 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> Rs. 17.40 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hydroponics<br/>Plants--Nutrition<br/>Horticulture
<br/><br/><label>Dewey Class. No.: </label>631.585