Flanagan, K. T., Vingerhoets, P., Avgoulea, M., Billowes, J., Bissell, M. L., Blaum, K., et al. (2009). Nuclear spins and magnetic moments of 71,73,75Cu: inversion of π2p3/2 and π1∫5/2 levels in 75Cu. Physical Review Letters, 103(14): 142501, pp. 1-4. doi:10.1103/PhysRevLett.103.142501.