TY - BOOK AU - Vohra, K. G. AU - Mishra, U. C. TI - Natural radiation environment SN - 0852268890 AV - QH583.5 .N3 PY - 1982/// CY - New Delhi PB - Wiley Eastern Limited KW - Environment KW - Ecology N1 - proceedings of the Second Special Symposium on Natural Radiation Environment held at Bhabha Atomic Research Centre Bombay 400 085, India during January 19-23, 1981; includes index ER -