Scherowsky, Günter, and Michael Sefkow. “Stereoselective Synthesis of Optically Active Di- and Trisubstituted Oxetanones As Chiral Dopants to Induce Ferroelectricity in Liquid Crystals”. CHIMIA 47, no. 1-2 (February 24, 1993): 19. Accessed April 29, 2024. https://www.chimia.ch/chimia/article/view/1993_019.