Characteristics of alpha activities for neutron deficient nuclei with 65 ⩽ Z ⩽ 91 H. Gauvin, Y. Le Beyec, J. Livet and J. L. Reyss Ann. Phys., 14 9 (1975) 241-270 Published online: 25 April 2017 DOI: 10.1051/anphys/197514090241