Ponnamperuma C <br/><br/>
Chemical evolution of the early precambrian 
Ponnamperuma C 
 - New York       Academic Press         1977 
 - xi,221p.  cm. 
<br/><br/><label>Standard No.: </label>49320 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Stratigraphy<br/>Precambrian
<br/><br/><label>Dewey Class. No.: </label>H51, L71