Mitchell, R. L. <br/><br/>
The spectrographic analysis of soil, plants and related materials 

 - Harpenden :  Commenwealth Bureaus of Soil Science,  1948 
 - 183 p.  : ilus 
 - Technical communication  ; 44 .
 - Technical communication  ; 44 .
<br/><br/><label>LCCN: </label>38480 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Espectroquímica.<br/>Suelos--Análisis.
<br/><br/><label>Dewey Class. No.: </label>544.6  / M58