000 00339nam a2200145Ia 4500
008 170101s1969 xx 000 0 und d
082 _a539.752 B13R
100 _aBADASH, L
245 0 _aRutherford and Boltwood
260 _bNew Haven
_c1969
300 _a378p
650 _aRADIOACTIVITY
653 _aRADIOACTIVITY
942 _2ddc
_cB
999 _c43692
_d43692