Spector, M., Prasad, S., Weslowski, B., Kamien, R., Selinger, J., Ratna, B., & Shashidhar, R. (2000). Chiral Twisting of a Smectic-A Liquid Crystal (1–). Physical Review E. https://doi.org/10.1103/PhysRevE.61.3977
Spector, Mark, Subbarao Prasad, B. Weslowski, Randall Kamien, Jonathan Selinger, B. Ratna, and R. Shashidhar. 2000. “Chiral Twisting of a Smectic-A Liquid Crystal”. Physical Review E. https://doi.org/10.1103/PhysRevE.61.3977.
Spector, Mark, et al. Chiral Twisting of a Smectic-A Liquid Crystal. Physical Review E, Apr. 2000, https://doi.org/10.1103/PhysRevE.61.3977.