Author:

Verniers,J.

Year:

1999

Title:

Calibration of Chitinozoa versus graptolite biozonation in the Wenlock of Builth Wells district (Wales, U.K), compared with other areas in Avalonia and Baltica.

Reference:

Verniers,J. (1999) Calibration of Chitinozoa versus graptolite biozonation in the Wenlock of Builth Wells district (Wales, U.K), compared with other areas in Avalonia and Baltica. Bollettino della Societ  Paleontologica Italiana Vol. 38 # 3 P. 359- 380

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