Pishnyak, O., Nastishin, Y., & Lavrentovich, O. (2004). Comment on "Self-Organized Periodic Photonic Structure in a Nonchiral Liquid Crystal" (1–). Physical Review Letters. https://doi.org/10.1103/PhysRevLett.93.109401
Pishnyak, Oleg, Yuriy Nastishin, and Oleg Lavrentovich. 2004. “Comment on ‘Self-Organized Periodic Photonic Structure in a Nonchiral Liquid Crystal’”. Physical Review Letters. https://doi.org/10.1103/PhysRevLett.93.109401.
Pishnyak, Oleg, et al. Comment on "Self-Organized Periodic Photonic Structure in a Nonchiral Liquid Crystal". Physical Review Letters, 1 Sept. 2004, https://doi.org/10.1103/PhysRevLett.93.109401.