1. The Effects on Populations ofExposure to Low Levels ofIonizing Radiation 1972
2. Ionizing Radiation: Levels and Effects 1972 1
3. CULLEN, T.L., DOSIMETRIC AND CYTOGENETIC STUDIES IN BRAZILIAN AREAS OF HIGH NATURAL ACTIVITY, HEALTH PHYSICS 19: 165 (1970).
4. FRANCA, E.P., STATUS OF INVESTIGATIONS IN BRAZILIAN AREAS OF HIGH NATURAL RADIOACTIVITY, HEALTH PHYSICS 11: 699 (1965).
5. Evaluation.of the long-term effects of high background radiation on selected population groups on the Kerala coas;Proceedings of the 4th International Conference on Peaceful Uses of Atomic Energy,1972