D. Bonatsos, D. Lenis, N. Minkov, D. Petrellis, and P. Yotov, “Doubly critical character of the N=90 isotones 150Nd, 152Sm, 154Gd, and 156Dy”, HNPS Adv Nucl Phys, vol. 14, pp. 41–46, Dec. 2019.