Pirart, C., Meulders, J.-P., Bosman, M., Leleux, P., & Macq, P. (1978). Odd-even differences in the elastic scattering of alpha particles by A=62-66 nuclei. Physical Review C, Nuclear Physics, 17, 810-812. https://doi.org/10.1103/PhysRevC.17.810 (Original work published 1978)