Thennaarassan Natarajan, Kazumasa Inoue, Masahiro Fukushi, Sarata Kumar Sahoo, Satoshi Ito, Rajamanickam Murugan, P. Duraimaran: Assessment of gamma radiation dose using a car-borne survey around coastal and hinterland regions of the high background natural radiation area, Kanyakumari, India, Radiation Protection Dosimetry, 2026.