00526nam a2200181Ia 4500008004100000040001700041041001200058082001700070100002400087245007300111260003400184300002000218500001900238650002400257650002400281650001900305700002000324170706s9999    xx            000 0 und d  aCNCI LIBRARY  aEnglish  a541.38bSch1  aSchweitzer, Geo. K.  aRadioactive Tracer TechniquescGeo. K. Schweitzer and Ira B. Whitney  aLondonbD. Van Nostrandc1949  avi, 241p.; ill.  aIncludes index  aIsotopic - Analysis  aParticles - Physics  aRadiochemistry  aWhitney, Ira B.