@articleBaena_Buey_Espinet_Kitzerow_Heppke_1993, title=Metallomesogens with a Cholesteric Mesophase, volume=32, DOI=10.1002/anie.199312011, number=8, journal=Angewandte Chemie International Edition in English, publisher=Wiley, author=Baena, Maria J. and Buey, Julio and Espinet, Pablo and Kitzerow, Heinz-Siegfried and Heppke, Gerd, year=1993, pages=1201–1203