J. Sholto Douglas <br/><br/>
Hydrophonics : Bengal system. Ed 4 

 - 4th Edition 
 - Bombay  Oxford University Press  1972 
 - 167p 
<br/><br/>J. Sholto Douglas: Hydrophonics : Bengal system. Ed 4.  (4th Edition)  Bombay.  Oxford University Press, 1972.--(631.585DOU)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>631.585  / DOU