Minamisono K, Mantica PF, Mertzimekis TJ, Davies AD, Hass M, Pereira J, Pinter JS, Rogers WF, Stoker JB, Tomlin BE, et al. Nuclear magnetic moment of the $^{57}$Cu ground state (I=3/2$^-$, T$_{1/2}$=199.4 ms). Phys. Rev. Lett. 2006;96:1?4.