Ward, G. M. <br/><br/>
Physiological studies with the tobacco plants 

 - Ottawa :  Department of Agriculture. Tobacco Division,  1942 
 - 100 p.  ; láms. 
 - Publication  ; 729 .
 - Publication  ; 729 .
<br/><br/><label>LCCN: </label>51795 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tabaco--Análisis.<br/>Tabaco--Fisiología y morfología.