TY - JOUR A1 - Goldmann, Daniela A1 - Janietz, Dietmar A1 - Schmidt, C. A1 - Wendorff, Joachim Heinz T1 - Disc-shaped mesogens based on 1,3,5-triazines : variation and induction of columnar mesophases through complementary intermolecular interactions Y1 - 1996 ER -