A method for radiologically evaluating indoor use of dimension stone considering radon exhalation rates - El Hajj, Thammiris Mohamad; Gandolla, Mauro Pietro Angelo; Silva, Paulo Sergio Cardoso da; Julião, Eduardo Lopes; Gutierrez Villanueva, José-Luiz; Delboni Júnior, Homero (JERA: Journal of the European Radon Association, 2020)