[USE OF DESCRIPTIVE GEOMETRY TO LOCALIZED SOURCE OF RADIUM, RADON AND ARTIFICIAL RADIOISOTOPES FOR DOSIMETRIC PURPOSES].
D008433:Mathematics; D011868:Radioisotopes; D011874:Radiometry; D011878:Radiotherapy; D011883:Radium; D011886:Radon; D012106:Research
D011868:Radioisotopes; D011886:Radon; D011883:Radium
EXPERIMENTAL LAB STUDY; MATHEMATICS; RADIOISOTOPES; RADIOMETRY; RADIOTHERAPY; RADIUM; RADON