Keyword "VECTORISED MAPS" in:

Radon risk maps on a scale 1 : 50 000 in the Czech Republic
Barnet,I., Mikšová,J., Bláha,V., Procházka,J., Tomas,R., Karenová,J., Holák,J., volume 34, 2001 (GRR for 2000), pages 145–148
pdf (0.56 MB)

The present state of the radon risk mapping in the Czech Republic
Barnet,I., Mikšová,J., Procháka,J., Tomas,R., Karenová,J., Bláha,V., Holák,J., volume 33, 2000 (GRR for 1999), pages 108–111
pdf (0.57 MB)