00273nam a2200109Ia 4500008004100000020000600041082001400047100001900061245002800080260004000108300001500148240817s9999    xx            000 0 und d  aw  a541.38 F2  aFredrick Soddy 0aInterpreation of radium  c1922b John murray Albemorle Street  axvi,260 p.