Siemssen, Brent; Kim, Ki-Won; Kim, Min-Sook; Kim, Byung-Soo; Cho, Seong-Jin; Park, Dong-Kyu; Woo, Hyung-Suk; Kwon, Tae-Woo Molecular Crystals and Liquid Crystals, 2007 , vol. 462, # 1 p. 159 - 167