Seasonal variability of 222Rn and 220Rn equilibrium factors in indoor environment of Kumaun Himalaya, India. - Ahamad, Taufiq; Nautiyal, O. P.; Joshi, Manish; Singh, Prakhar; Rana, A. S.; Bourai, A. A.; Sajwan, R. S.; Ramola, R. C. (Journal of Radioanalytical & Nuclear Chemistry, 2024)