Santos, Raphael Francisco Gomes, Luis Eduardo Barreira Brandão, Alessandro Mariano Domingues, and Julio Dualibi Filho. “Procedure to Optimize the Solid Angle for the Colimation of the Nai Detector Used to Measure the Flow Rate in Pipelines”. Brazilian Journal of Radiation Sciences 9, no. 1A (April 30, 2021). Accessed November 9, 2024. https://bjrs.org.br/revista_33014/index.php/REVISTA/article/view/1550.