1. The tectronic windows of the Lesser Himalaya;Bhargava;Him. Geol.,1983
2. Preliminary radon studies around Doon Valley using SSNTD;Choubey,1986
3. Soil gas and indoor radon studies in Doon Valley, India;Choubey;Nucl. Geophys.,1994
4. Indoor Rn levels in different geological areas in Switzerland;Crameri;Hlth Phys.,1989
5. Uranium mineralization in the pelitic schists in the Kullu Himalaya and its probable origin;Das,1972