SHAFIK, Shafik Shaker. Measurement of Background Radioactivity in Baghdad’s Main Water Supply Stations: Sediment Samples. Iraqi Journal of Physics, Baghdad, Iraq., v. 9, n. 14, p. 57–69, 2011. Disponível em: https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/816. Acesso em: 13 mar. 2025.