Patel, P., Chen, L., & Kumar, S. (1993). Phase Diagram of a Frustrated Smectic Liquid-Crystal System and the Absence of the Incommensurate Smectic-<i>A<sub>i</i><sub>2</sub> Phase. Physical Review E. https://doi.org/10.1103/PhysRevE.47.2643
Patel, Prem, Li Chen, and Satyendra Kumar. 1993. “Phase Diagram of a Frustrated Smectic Liquid-Crystal System and the Absence of the Incommensurate Smectic-<i>A<sub>i</i><sub>2</Sub> Phase”. Physical Review E. https://doi.org/10.1103/PhysRevE.47.2643.
Patel, P., L. Chen, and S. Kumar. Phase Diagram of a Frustrated Smectic Liquid-Crystal System and the Absence of the Incommensurate Smectic-<i>A<sub>i</i><sub>2</Sub> Phase. Physical Review E, 1 Apr. 1993, doi:10.1103/PhysRevE.47.2643.