Keyword "BUILDING STONE" in:

The rock “opuka” from Hrádek village, the building stone of the St. Nicholas church in the town Louny (NW Bohemia)
J. Valečka, volume 40, 2007 (GRR for 2006), pages 175–179
pdf (0.49 MB)

Internet database of decorative and building stone. The Barrandian diabas – the example of important building stone
B. Schulmannová, D. Březinová, H. Skarková, volume 37, 2004 (GRR for 2003), pages 152–153
pdf (0.87 MB)