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New dataon Upper Carboniferous silicified stems of calamites from the Nová Paka region
Sakala,J., Mencl,V., Matysová,P., volume 42, 2009 (GRR for 2008), pages 111–113
pdf (0.38 MB)
New dataon Upper Carboniferous silicified stems of calamites from the Nová Paka region
Sakala,J., Mencl,V., Matysová,P., volume 42, 2009 (GRR for 2008), pages 111–113
pdf (0.38 MB)