000 00406nam a2200145Ia 4500
008 211228s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aMann, Wilfrid B
245 0 _aRadioactivity and its measurement
250 _aE w student edn
260 _bAffiliated East West Press
_aNew Delhi
_c1970
300 _a168p p.
653 _aRadioactivity
942 _c1
999 _c196690
_d196690