Raghu, Y. (55667734100) and RAVISANKAR, R. (14825808700) and Chandrasekaran, Ananthanarayanan (56382126400) and Vijayagopal, Perumal (54883776000) and Venkatraman, Balasubramanian (59157649100) (2016) Assessment of natural radioactivity in clay samples of Tiruvannamalai Dist, Tamilnadu, India and their associated radiation hazards.