Buchkapitel
Hallmann, C.; Kelly, A.; Gupta, S.; Summons, R.: Reconstructing deep-time biology with molecular fossils. In: Topics in Geobiology: Quantifying the evolution of early life, Bd.
36, S. 355 - 401 (Hg. Laflamme, M.; Schiffbauer, J. D.; Dornbos, S. Q.). Springer (2011)