R. J. Downs <br/><br/>
Environment and the experimental control of plant growth 

 - London  Academic Press ( London ) Limited  1975 
 - 145p 
<br/><br/>R. J. Downs & H. Hellmers: Environment and the experimental control of plant growth.  London.  Academic Press ( London ) Limited, 1975. 0-12-221450-1--(581.13415DOW)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>0-12-221450-1 
<br/><br/><label>Dewey Class. No.: </label>581.13415  / DOW