科尔曼-温伯格模型Coleman, S.; Weinberg, E. Radiative Corrections as the Origin of Spontaneous Symmetry Breaking. Physical Review D. 1973-03-15, 7 (6): 1888–1910. Bibcode:1973PhRvD
空间群(原始内容存档于2021-04-18) Fedorov, E. S., Symmetry of Regular Systems of Figures, Zap. Mineral. Obch., 1891, 28 (2): 1–146 Fedorov, E. S., Symmetry of crystals, ACA Monograph