Author:

Pattison,J.;Smith,D.B.;Warrington,G.

Year:

1973

Title:

A review of Late Permian and Early Triassic biostratigraphy in the British Isles.

Reference:

Pattison,J. et al. (1973) A review of Late Permian and Early Triassic biostratigraphy in the British Isles. Canadian Society of Petroleum Geologists,Special Publication # 2 P. 220- 260

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