The 0+ → 0+ positron double- β decay with emission of two neutrinos in the nuclei 96Ru, 102Pd, 106Cd and 108Cd
Eur. Phys. J. A, 28 1 (2006) 27-36
Published online: 01 June 2006
DOI: 10.1140/epja/i2005-10280-2