TY  - SER
AU  - Siegel,D.I
AU  - Chamberlain,Steven
AU  - Dossert,William
TI  - The isotopic and chemical evolution of mineralization in septarian concretions: evidence for episodic paleohydrogeologic methanogenesis
SN  - 00167606
N1  - bibliogr. p. 394
ER  -