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020 _aNULL
035 _a25295
082 _a541.3884
_BMAN / GAR
100 _aMann, Wilfrid B. / Garfinkel, S. B.
245 0 _aRadioactivity & Its Measurement
250 _a-
260 _aLondon
_bVan Nostrand
300 _a168
500 _a4435
650 _a-
942 _cBK
999 _c25295
_d25295