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1.- A new goniatite Homoceratoides fortelifer of Millstone Grit Upper Reticuloceras Age Ramsbottom, W.H.C. Ver registro
2.- Major cycles of transgression and regression (mesothems) in the Namurian Ramsbottom, W.H.C. [S.l.]: Yorkshire Geological Society, 1977 Proceedings of the Yorkshire Geological Society Cª 335-21 Ver registro
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