On neutron number dependence of B(E1;0+ 1 → 1- 1) reduced transition probabilityR. V. Jolos, N. Yu. Shirikova and V. V. VoronovEur. Phys. J. A, 29 2 (2006) 147-150DOI: https://doi.org/10.1140/epja/i2006-10086-8