Zia Zarifi,A , , Mehri,S , , Afzal,P , and Jafari,H . "Investigation on Distribution of Radioactive Elements in SW Masuleh Based on the Airborne Radiometer Data, Gilan Province, Iran", Scientific Quarterly Journal of Geosciences, 23, 91, 2014, 187-195. doi: 10.22071/gsj.2014.43815