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