Palmans, A R Extended-Core Discotic Liquid Crystals Based on the Intramolecular H-Bonding in N-Acylated 2,2'-Bipyridine-3,3'-diamine Moieties. [electronic resource] - Chemistry (Weinheim an der Bergstrasse, Germany) Feb 1997 - 300-7 p. digital Publication Type: Journal Article ISSN: 0947-6539 Standard No.: 10.1002/chem.19970030220 doi