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6. ELÄMÄN ALKU

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Lukemistoja varhaisimmista<br />

Barberton (3.5 G Vuotta):<br />

elämänmuodosita<br />

F. Westall et al, 2006, Phil Trans R Soc B 361, 1857<br />

F. Westall, G Southam, 2006, ”The Early record of Life”,<br />

Archaen geodynamics and Environments, Geophysical<br />

monograph 164, AGU<br />

Isua (3.9 G Vuotta): M. T. Rosing 1999 Science 283, 674

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