1. Radioactivity of the lithosphere;Adams,1962
2. Portable gamma-ray spectrometer for field determination of thorium, uranium and potassium;Adams,1964
3. Statistical measures of the lower limit of detection of a radioactivity counter;Altshuler;Health Phys.,1963
4. Estimation of lung tissue dose from the inhalation of radon and daughters;Altshuler;Health Phys.,1964
5. The radon content of the atmosphere;Anderson;Nature,1954