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Proceedings of the Geologists' Association > 2006 > 117 > 1 > 85-98
Organic Geochemistry > 1999 > 30 > 4 > 237-248
Proceedings of the Geologists' Association > 2006 > 117 > 1 > 85-98
Organic Geochemistry > 1999 > 30 > 4 > 237-248