1. ‘General Aspects on the Biotechnology and UF and RO Applications’;Heinen;DDS Report 2003-GB-0483-50,1983
2. ‘Guidelines for the Characterization of Immobilized Biocatalysts’;EFB Working Party on Immobilized Biocatalysts;Enzyme Microb. Technol.,1983
3. Wandrey, C. presented at Dechema/GVC-Arbeitsausschusses Membrantechnik Workshop, Frankfurt, 28 February 1985