Elizabeth Rona (1891?-1981).
D005844:Geology / Q000266:history; D049673:History, 20th Century; D006814:Hungary; D009791:Oceanography / Q000266:history; D011849:Radioactive Tracers / Q000266:history*; D011868:Radioisotopes / Q000266:history*; D014481:United States
D011849:Radioactive Tracers; D011868:Radioisotopes