Proc. of the 4th Intl. symp. (1980) <br/><br/>
Biogeochemistry of ancient and modern enviroments   
ed. by P. A. Trudinger and M. R. Walter. 
 -  Springer-Verlag  1980 
<br/><br/><label>Dewey Class. No.: </label>574.52  / N80