ICRP59 Recommendations of the International Commission on Radiological Protection, 1959, "Report of Committee II on Permissible Dose for Inter-~ nal Radiation," ICRP Publication 2 (London: ICRP 68 Pergamon Press). Recommendations of the International Commission on Radiological Protection, 1968, "Report of Committee IV on Evaluation of Radiation Doses to Body Tissues from Internal Contamination Due to Occupational Exposure," ICRP Publication 10 (London: ICRP 69 Pergamon Press). Recommendations of the International Commission on Radiological Protection, 1969, "Report of Committee IV on the Assessment of Internal Contamination Resulting from Recurrent or Prolonged Uptakes," ICRP Publication 10A (London: ICRP 74 Pergamon Press). Recommendations of the International Commission on Radiological Protection, 1974, "Report of the Task Group on Reference Man," ICRP Publication 23 (London: ICRP79 Pergamon Press). Recommendations of the International Commission on Radiological Pro- tection, 1979, "Report of Committee II on Limits for Intakes of Radionuclides by Workers," ICRP Publication 30 (Oxford: Pergamon Press). JCAE57 Joint Committee on Atomic Energy, 1957, The Nature of Radioactive Fall-out and Its Effects on Man, Part 1, Washington, D.C. JCCRRER56 Japan Committee for Compilation of Reports on Research in the Effects of Radioactivity, 1956, "Research in the Effects and Influences of the Nuclear Bomb Test Explosions," (Published by the Japan Society for Promotion of Science, Ueno, Tokyo), 29