Keyword "PLOUŽNICE HORIZON" in:

Preliminary results of the lithological and geochemical study of Sm-1 core, Ploužnice horizon, Semily Formation, Krkonoše Piedmont Basin
Stárková,M., Martínek,K., Knésl,I., volume 45, 2012 (GRR for 2011), pages 39–43
pdf (1.28 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)