Report on the Stephanian-Autunian boundary and on the contents of Upper Stephanian and Autunian in their stratotypes.
Reference:
Bouroz,A. et al. (1977)
Report on the Stephanian-Autunian boundary and on the contents of Upper Stephanian and Autunian in their stratotypes. Symposium on Carboniferous Stratigraphy.(IUGS Subcommission on Carboniferous Stratigraphy, field and general Meeting,Czechoslovakia),Prague
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