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Lima-Flores, A. .; Palomino-Merino, R. .; Espinosa, E. .; Castano, V. M. .; Merlo-Juarez, E. .; Cruz-Sanchez, M. .; Espinosa, G. . The Indoor Radon Concentration Within the Tunnels of the Cholula Pyramid Through a Nuclear Tracks Methodology. J. Nucl. Phy. Mat. Sci. Rad. A. 2016, 4, 77-88.