Bhowmik, P., Han, H., Cebe, J., Burchett, R., Acharya, B., & Kumar, S. (2003). Ambient Tmperature Thermotropic Liquidcrystalline Viologen Bis(triflimide) Salts. Liquid Crystals. https://doi.org/10.1080/02678290310001621895
Bhowmik, Pradip, Haesook Han, James Cebe, Ronald Burchett, Bharat Acharya, and Satyendra Kumar. 2003. “Ambient Tmperature Thermotropic Liquidcrystalline Viologen Bis(triflimide) Salts”. Liquid Crystals. https://doi.org/10.1080/02678290310001621895.
Bhowmik, P., H. Han, J. Cebe, R. Burchett, B. Acharya, and S. Kumar. Ambient Tmperature Thermotropic Liquidcrystalline Viologen Bis(triflimide) Salts. Liquid Crystals, 1 Dec. 2003, doi:10.1080/02678290310001621895.