Pishnyak, O., & Lavrentovich, O. (2006). Electrically Controlled Negative Refraction in a Nematic Liquid Crystal (1–). Applied Physics Letters. https://doi.org/10.1063/1.2408658
Pishnyak, Oleg, and Oleg Lavrentovich. 2006. “Electrically Controlled Negative Refraction in a Nematic Liquid Crystal”. Applied Physics Letters. https://doi.org/10.1063/1.2408658.
Pishnyak, Oleg, and Oleg Lavrentovich. Electrically Controlled Negative Refraction in a Nematic Liquid Crystal. Applied Physics Letters, 18 Dec. 2006, https://doi.org/10.1063/1.2408658.