Vervier, J., Vanisacker, P., Jolie, J., Kota, VKB., & Bijker, R. (1985). U(5)xsu(2) Limits of the Interacting Boson Fermion Model, Their Associated Supersymmetries, and Their Application To Se-76 and As-75. Physical Review C (Nuclear Physics), 32(4), 1406-1415. https://doi.org/10.1103/PhysRevC.32.1406 (Original work published 1985)