Sarmento Alvarenga, T.; Fernandes, S. . S.; Pereira, W. W.; Mayhughc, M. R.; Caldas , L. V. E. Estimation of Scattered Radiation Influence on Neutron Beams at a Calibration Laboratory Using Monte Carlo Simulation of a Long Counter. Braz. J. Rad. Sci. 2023, 11, 1-12.