Canfield, D E <br/><br/>
Late Proterozoic rise in atmospheric oxygen concentration inferred from phylogenetic and sulphur-isotope studies.  [electronic resource] 

 -  Nature  Jul 1996 
 - 127-32 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S. 
<br/><br/><label>ISSN: </label>0028-0836 
<br/><br/><label>Standard No.: </label>10.1038/382127a0  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Atmosphere--chemistry<br/>Bacteria--classification<br/>Biological Evolution<br/>Earth, Planet<br/>Evolution, Planetary<br/>Geologic Sediments--chemistry<br/>Marine Biology<br/>Mollusca<br/>Oxygen--analysis<br/>Paleontology<br/>RNA, Bacterial<br/>RNA, Ribosomal, 16S<br/>Sulfur--metabolism<br/>Symbiosis<br/>Water Microbiology