Barretto, P. M. C., and E. S. da Fonseca. “The Cs-137 Radiological Accident in Goiânia, Brazil: Conditions and Results of the Airborne Radiometric Survey”. Brazilian Journal of Radiation Sciences, vol. 11, no. 2, May 2023, pp. 01-13, doi:10.15392/2319-0612.2023.2231.