Mund, J.; Schrader, R. (1993). Hilbert Spaces for Nonrelativistic and Relativistic "Free" Plektons (Particles with Braid Group Statistics). Bibcode:1993hep.th...10054M. arXiv:hep-th/9310054.
Karowski, M.; Muller, W.; Schrader, R. (1992). «State sum invariants of compact 3-manifolds with boundary and 6j-symbols». Journal of Physics A: Mathematical and General25 (18): 4847-4860. Bibcode:1992JPhA...25.4847K. doi:10.1088/0305-4470/25/18/018.
Schrader, Robert; Taylor, Michael E. (1989). «Semiclassical asymptotics, gauge fields, and quantum chaos». Journal of Functional Analysis83 (2): 258-316. doi:10.1016/0022-1236(89)90021-9.
Karowski, M.; Muller, W.; Schrader, R. (1992). «State sum invariants of compact 3-manifolds with boundary and 6j-symbols». Journal of Physics A: Mathematical and General25 (18): 4847-4860. Bibcode:1992JPhA...25.4847K. doi:10.1088/0305-4470/25/18/018.
Mund, J.; Schrader, R. (1993). Hilbert Spaces for Nonrelativistic and Relativistic "Free" Plektons (Particles with Braid Group Statistics). Bibcode:1993hep.th...10054M. arXiv:hep-th/9310054.