1. Bipolar membrane and process of its preparation;Bauer,1993
2. Anion-exchange membranes with improved alkaline stability;Bauer;Desalination,1990
3. Development of bipolar membranes;Bauer;Desalination,1988
4. Ion-exchange membranes;Bergsma;Fortschr. Hochpolym.-Forsch.,1961