00317nam a2200109Ia 4500 190829s9999||||xx |||||||||||||| ||und|| Righi, Augusto Modern Theory of Physical Phenomena: Radio Activity, Ions, Electrons The Macmillan Company London 1909 Physics BK 6367 6367 0 0 1 0 PHY GBCTL GBCTL BOX 2022-10-19 SHELF NO : 3D 537.1 RIG/M 064 DMG