Elekes Z, Juhász MM, Sohler D, Sieja K, Yoshida K, Ogata K, Doornenbal P, Obertelli A, Achouri NL, Baba H, et al. ?Southwestern? boundary of the N= 40 island of inversion: First study of low-lying bound excited states in V 59 and V 61. Physical Review C. 2022;106:064321.