00372nam a2200157Ia 4500008004100000020000900041035001000050082002400060100004000084245003600124250000600160260002500166300000800191500000900199650000600208210723s9999||||xx |||||||||||||| ||und||  aNULL  a25295  a541.3884BMAN / GAR  aMann, Wilfrid B. / Garfinkel, S. B. 0aRadioactivity & Its Measurement  a-  aLondonbVan Nostrand  a168  a4435  a-