Arciszewski, HFR., Aarts, HJM., Kamermans, R., Vanderpoel, CJ., Holzmann, R., Van Hove, M.-A., Vervier, J., Huyse, M., Lhersonneau, G., Janssens, RVF., & Devoigt, MJA. (1983). Band-crossing Phenomena in Hf-167,Hf-168 and W-170,W-171. Nuclear Physics, Section A, 401(3), 531-556. https://doi.org/10.1016/0375-9474(83)90364-0 (Original work published 1983)