Author:

Krylov,I.N.;Vasina,R.A.

Year:

1975

Title:

The oldest traces of life on earth.

Foreign title:

Drevneyshie Sledy Zhizni na Zemle.

Reference:

Krylov,I.N. et al. (1975) The oldest traces of life on earth. [ Drevneyshie Sledy Zhizni na Zemle. ] Stratigraphy,Palaeontology.(Moscow) Vol. 6 P. 60- 85

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