28 thn etal
REETSe
Selle sane base tee

7.

Gustafson, F., Kastner, J., and Luetzelschwab, J.
Environmental Radiation Measurement of Dose Rates
Science, 145, 44-47 (1964)

8.

Beck, Harold L.
Environmental Gamma Radiation from Deposited Fission
Products,

1960-1964

Health Physics, 12, 313-322 (1966)

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