Beukes, Nicolas J. <br/><br/>
Tropical laterites, life on land, and the history of atmospheric oxygen in the Paleoproterozoic 

 - Boulder, CO  Geological Society of America  June 2002 
 - pp. 491-494  ilus. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>BIOMASA<br/>LATERITAS<br/>OXIGENO<br/>PALEOPROTEROZOICO<br/>PALEOSUELOS<br/>ZONAS TROPICALES
<br/><br/><label>Subjects--Geographic Terms: </label><br/>AFRICA