Author:

Timofeev,B.V.

Year:

1969

Title:

Spheromorphids of the Proterozoic

Foreign title:

Sferomorfidy Proterozoya.

Reference:

Timofeev,B.V. (1969) Spheromorphids of the Proterozoic [ Sferomorfidy Proterozoya. ] Academiya Nauk SSSR, Leningradskoe Otdelenie, Izdatelskva Nauka, Leningrad, USSR P. 1- 145

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