"Surface Order in Thin Films of Self-Assembled Columnar Liquid Crystals"
Hee-Tae Jung, Sang Ouk Kim, Young Koan Ko, Dong Ki Yoon, S. D. Hudson?and V. Percec, M. N. Holerca, W.-D. Cho and P. E. Mosier , Macromolecules, 35, 3717-3721 (2002). , published