1. Aghamiri, S. M., Ghorbani, Z., Darafshen, A., Torabzadeh, H., Fathivand, A. A., Minuchehr, A., et al. (2006). 226Ra concentration in the teeth of habitants of areas with high level of natural radioactivity in Ramsar. Journal of Environmental Radioactivity. doi: 10.1016/j.jenvrad.2006.05.008 .
2. Amiri, M., Abdi, R., & Shabestani Monfared, A. (2011). Estimation of external natural background gamma ray doses to the population of Caspian coastal provinces in north of Iran. Iranian Journal of Radiation Research, 9(3), 183–186.
3. Azlina, M. J., Ismail, B., Samudi Yasir, M., Sakuma, S. H., & Khairuddin, M. K. (2003). Radiological impact assessment of radioactive minerals of amang and ilmenite on future landuse using RESRAD computer code. Applied Radiation and Isotopes. doi: 10.1016/S0969-8043(02)00347-0 .
4. Bavarnegin, E., Vahabi-Moghaddam, M., Babakhani, A., & Fathabadi, N. (2012). Analytical study of radionuclide concentration and radon exhalation rate in market available building materials of Ramsar. Journal of Theoretical and Applied Physics. doi: 10.1186/2251-7235-6-5 .
5. Bavarnegin, E., Vahabi-Moghaddam, M., & Fathabadi, N. (2013). Natural radionuclide and radiological assessment of building materials in high background radiation areas of Ramsar, Iran. Journal of Medical Physics. doi: 10.4103/0971-6203.111325 .