Measurement of natural radioactivity in marble found in Pakistan using a NaI(Tl) gamma-ray spectrometer

Journal of Environmental Radioactivity - Tập 51 Số 2 - Trang 255-265 - 2000
Muhammad Azhar Iqbal1, Muhammad Tufail1, Sikander M. Mirza1
1Pakistan Institute of Engineering and Applied Sciences, P.O. Nilore, Islamabad 45650, Pakistan

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