Radioactivity in water from the River Lea
Tài liệu tham khảo
Bryce, 1978
Department of the Environment, 1979
Knight, 1980, Environmental monitoring in the United Kingdom, Environ. Int., 3, 427, 10.1016/0160-4120(80)90071-9
Mitchel, 1977
UNSCEAR, 1977
