Eine Kern- -Strahlung bei der leichten Elementen [A nuclear -radiation in the light elements] in Die Naturwissenschaften 18 p. 705, 1930
Berlin: Springer, 1930. 1st Edition. FIRST EDITION IN ORIGINAL WRAPS OF BOTHE & BECKER’S INFLUENTIAL 1930 ANNOUNCEMENT & DESCRIPTION OF THE PRODUCTION OF NEUTRAL PENETRATING RADIATION; while not the gamma radiation they believed it to be, within two years their work would lead directly to Chadwick's discovery of the neutron..... More