1. Mapping of Integrated Radon- Emanation for Detection of Long-Distance Migration of Gases Within the Earth: Techniques and Principles;Fleischer;J. Geophys. Res.,1978
2. Radon Dosimetry Using Nuclear Track Detectors;Frank;Nucl. Track Det.,1977
3. Properties of a Small Radon Diffusion Chamber with Plastic Track Detectors;Frank,1981
4. Status of Development in the Field of CR-39 Track Detectors;Somogyi,1981