Role of magic numbers in thermodynamic quantities of 206Pb and 138Ba using BCS and Lipkin-Nogami modelsKh. Benam, V. Dehghani and S. A. AlaviEur. Phys. J. A, 55 7 (2019) 105DOI: https://doi.org/10.1140/epja/i2019-12785-3