Naimi, S., Audi, G., Beck, D., Blaum, K., Böhm, C., Borgmann, C., et al. (2010). Critical-Point Boundary for the Nuclear Quantum Phase transition Near A = 100 from Mass Measurements of 96;97Kr. Physical Review Letters, 105(3): 032502, pp. 1-4. doi:10.1103/PhysRevLett.105.032502.