Ribeiro, F. C. A., Lauria, D. da C., Silva, J. I. R., Lima, E. S. A., Amaral Sobrinho, N. M. B. do and Perez, D. V. (2016) “Concentration of fallout Cesium-137 in soils of the Rio de Janeiro State, Brazil”, Brazilian Journal of Radiation Sciences, 4(2). doi: 10.15392/bjrs.v4i2.236.