1. L;Handbook of Biological Dyes and Stains;2010-02-23
2. 9-Acridanones;Chemistry of Heterocyclic Compounds: A Series Of Monographs;2008-01-02
3. Biacridines;Chemistry of Heterocyclic Compounds: A Series Of Monographs;2008-01-02
4. Acridinium Salts and Reduced Acridines;Chemistry of Heterocyclic Compounds: A Series Of Monographs;2008-01-02
5. Synthesis of N,N'-Dialkyl-9,9'-Biacridylidenes and 9,9'-Biacridinium Nitrates Containing Long Alkyl Chains;Journal f�r Praktische Chemie/Chemiker-Zeitung;1993