Wiegand, Jens A guideline for the evaluation of the soil radon potential based on geogenic and anthropogenic parameters - Berlin Springer-Verlag June 2001 - pp. 949-963 ilus., tbls. ISSN: 0943-0105 Subjects--Topical Terms: CONTAMINACION RADIOACTIVAIMPACTO AMBIENTALRADONSUELOS Subjects--Geographic Terms: ALEMANIA