Wallace, T. <br/><br/>
Trace elements in plant physiology / 
T. Wallace ; forewored by M.J. Sirks. 
 - Waltham Mess :  Chronica Company,  1950. 
 - 144 p. :  ill. ;  20 cm. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant physiology.
<br/><br/><label>LC Class. No.: </label>QK711  / .W34 1950