Author:

Arkhangelskaya,A.D.

Year:

1962

Title:

A new spore complex and the problem of the boundary between the Middle and the Upper Devonian in the Volga-Ural Region.

Foreign title:

Novyi kompleks spor i vopros o Granitse Srednego i Verknego Devona Volgo-Ural'Skogo Regiona.

Reference:

Arkhangelskaya,A.D. (1962) A new spore complex and the problem of the boundary between the Middle and the Upper Devonian in the Volga-Ural Region. [ Novyi kompleks spor i vopros o Granitse Srednego i Verknego Devona Volgo-Ural'Skogo Regiona. ] Doklady Akademii Nauk SSSR Vol. 142 # 4 P. 891- 892

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