Author:

Warren,P.T.

Year:

1971

Title:

The significance of recent research in Britain on the Ludovian-Downtonian boundary. (In: The boundary between the Silurian and Devonian and Biostratigraphy of the Silurian. D.V.Nalivkin, editors)

Reference:

Warren,P.T. (1971) The significance of recent research in Britain on the Ludovian-Downtonian boundary. (In: The boundary between the Silurian and Devonian and Biostratigraphy of the Silurian. D.V.Nalivkin, editors) International Symposium of the Silurian-Devonian Boundary,3rd,Proceeding,Stratigraphy of Rand Middle Devonian Deposits,Leningrad,1968 P. 210- 223

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