Keyword "PERMEABILITY" in:

The relation of the gas permeability and the soil gas radon concentrations – the statistical approach
Pacherová,P., Barnet,I., volume 41, 2008 (GRR for 2007), pages 175–177
pdf (0.75 MB)

Radon risk research in the Czech Republic
Barnet,I., volume 26, 1993 (GRR for 1992), pages 11–13
pdf (0.12 MB)