[Hygienic standards for C14 in the atmosphere].
D000398:Air Pollution, Radioactive / Q000592:standards*; D002250:Carbon Radioisotopes / Q000592:standards*; D004781:Environmental Exposure; D008433:Mathematics; D008452:Maximum Allowable Concentration; D011829:Radiation Dosage
D002250:Carbon Radioisotopes
K voprosu gigienicheskogo normirovaniia C14 v atmosfernom vozdukhe