Farrell, M A <br/><br/>
28-29 december mineral elements in the food chain.  [electronic resource] 

 -  Science (New York, N.Y.)  Oct 1971 
 - 438 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0036-8075 
<br/><br/><label>Standard No.: </label>10.1126/science.174.4007.438  doi