TY - JOUR TI - Radioecology teaching: evaluation of the background radiation levels from areas with high concentrations of radionuclides in soil PY - 2004 AU - Okuno, Emico T2 - European Journal of Physics SN - 0143-0807 DO - 10.1088/0143-0807/25/2/001 UR - https://doi.org/10.1088/0143-0807/25/2/001 PP - Amsterdam ER -