An accont of the Ordovician rocks of the Shelve Inlier in west Salop and part of north Powys
Whittard, Walter Frederick
Article
1979-12-20
Bulletin of the British Museum (Natural History) Geology
33
Issue: 1
1--69
BioStor
English
London, BM(NH),
BioStor: https://biostor.org/reference/265779
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