VAITIEKŪNAS, Petras; LUKOŠIŪTE, Daiva. Study of gamma radiation from building materials. Journal of Environmental Engineering and Landscape Management, [S. l.], v. 13, n. 4, p. 182–186, 2005. DOI: 10.3846/16486897.2005.9636869. Disponível em: https://journals.vilniustech.lt/index.php/JEELM/article/view/8060. Acesso em: 11 may. 2025.