Glossmann, Jochen, Andreas Hoischen, Thorsten Roder, and Heinz-Siegfried Kitzerow. “Asymmetric Switching and Storage Effects in Ferroelectric and Antiferroelectric Gels and Polymers.”https://doi.org/10.1080/00150190008008011__Ferroelectrics 243, no. 1 (2000): 95–106.https://doi.org/10.1080/00150190008008011 .

Kitzerow, Heinz-Siegfried, Andrew J. Slaney, and John W. Goodby. “Electric Field-Induced Transition from the Twist Grain Boundary TGB<sub>A</sub>Phase to the Tilted Smectic SmC* Phase.”https://doi.org/10.1080/00150199608007874__Ferroelectrics 179, no. 1 (1996): 61–80.https://doi.org/10.1080/00150199608007874 .

Kitzerow, Heinz-Siegfried, and Peter P. Crooker. “Polymer-Dispersed Cholesteric Liquid Crystals - Challenge for Research and Application.”https://doi.org/10.1080/00150199108226040__Ferroelectrics 122, no. 1 (1991): 183–96.https://doi.org/10.1080/00150199108226040 .