Sinatkas, J., Skouras, L.D., Strottman, D. and Vergados, J.D. 2020. Shell model calculations in the A=80-100 mass region and study of double β transitions. HNPS Advances in Nuclear Physics. 1, (Feb. 2020), 156–167. DOI:https://doi.org/10.12681/hnps.2834.