@articleKitzerow_Crooker_Kwok_Heppke_1990, title=A blue phase with negative dielectric anisotropy in an electric field. Statics and dynamics, volume=51, DOI=10.1051/jphys:0199000510120130300, number=12, journal=Journal de Physique, publisher=EDP Sciences, author=Kitzerow, Heinz-Siegfried and Crooker, P.P. and Kwok, S.L. and Heppke, G., year=1990, pages=1303–1312 
LibreCat: /record/40340
DOI: 10.1051/jphys:0199000510120130300

@articleKitzerow_Heppke_Schmid_Jérôme_Pieranski_1990, title=First optical observation of Kossel diagrams in chiral smectic phases, volume=51, DOI=10.1051/jphys:0199000510180208700, number=18, journal=Journal de Physique, publisher=EDP Sciences, author=Kitzerow, Heinz-Siegfried and Heppke, G. and Schmid, H. and Jérôme, B. and Pieranski, P., year=1990, pages=2087–2099 
LibreCat: /record/40336
DOI: 10.1051/jphys:0199000510180208700

@articleHeppke_Jérôme_Kitzerow_Pieranski_1989, title=Electrostriction of the cholesteric blue phases BPI and BPII in mixtures with positive dielectric anisotropy, volume=50, DOI=10.1051/jphys:0198900500190299100, number=19, journal=Journal de Physique, publisher=EDP Sciences, author=Heppke, G. and Jérôme, B. and Kitzerow, Heinz-Siegfried and Pieranski, P., year=1989, pages=2991–2998 
LibreCat: /record/40341
DOI: 10.1051/jphys:0198900500190299100

@articleHeppke_Jérôme_Kitzerow_Pieranski_1989, title=Electrostriction of BPI and BPII for blue phase systems with negative dielectric anisotropy, volume=50, DOI=10.1051/jphys:01989005005054900, number=5, journal=Journal de Physique, publisher=EDP Sciences, author=Heppke, G. and Jérôme, B. and Kitzerow, Heinz-Siegfried and Pieranski, P., year=1989, pages=549–562 
LibreCat: /record/40344
DOI: 10.1051/jphys:01989005005054900