Shi, Y., Mang, J., Kumar, S., & Samulski, E. (1997). A Comparative Structural Study of Three Prospective Longitudinal Ferroelectric Smectic Liquid Crystals. Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals. https://doi.org/10.1080/10587259708041808
Shi, Yushan, Joseph Mang, Satyendra Kumar, and Edward Samulski. 1997. “A Comparative Structural Study of Three Prospective Longitudinal Ferroelectric Smectic Liquid Crystals”. Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals. https://doi.org/10.1080/10587259708041808.
Shi, Y., J. Mang, S. Kumar, and E. Samulski. A Comparative Structural Study of Three Prospective Longitudinal Ferroelectric Smectic Liquid Crystals. Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals, 1 Jan. 1997, doi:10.1080/10587259708041808.