PRELIMINARY INVESTIGATION ON DETERMINATION OF RADIONUCLIDE DISTRIBUTION IN FIELD TRACING TEST SITE. - Tanaka, Tadao; JAPAN ATOMIC ENERGY RESEARCH INSTITUTE; Guo, Zede; Mukai, Masayuki; Takebe, Shinichi; Li, Shushen; Kamiyama, Hideo (Naka-gun : JAERI, 1993)