Jacob A <br/><br/>
Magnesium: The fifth major plant nutrient 
Jacob A 
 -  1958 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>46870 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Inorganic chemistry
<br/><br/><label>Dewey Class. No.: </label>E1:1210, J8