@articleKitzerow_Liu_Xu_Crooker_1996, title=Effect of chirality on liquid crystals in capillary tubes with parallel and perpendicular anchoring, volume=54, DOI=10.1103/physreve.54.568, number=1, journal=Physical Review E, publisher=American Physical Society (APS), author=Kitzerow, Heinz-Siegfried and Liu, B. and Xu, F. and Crooker, P. P., year=1996, pages=568–575 
LibreCat: /record/40314
DOI: 10.1103/physreve.54.568

@articleXu_Kitzerow_Crooker_1994, title=Director configurations of nematic-liquid-crystal droplets: Negative dielectric anisotropy and parallel surface anchoring, volume=49, DOI=10.1103/physreve.49.3061, number=4, journal=Physical Review E, publisher=American Physical Society (APS), author=Xu, F. and Kitzerow, Heinz-Siegfried and Crooker, P. P., year=1994, pages=3061–3068 
LibreCat: /record/40323
DOI: 10.1103/physreve.49.3061