1. Batteries of short term tests for carcinogen screening;Williams,1980
2. Westendorf J. Struktur-undWirkungsbeziehungen der Genotoxizität von Anthracyclin-Antitumor-Antibiotika. Habilitationsschrift, Fachbereich Medizin, Universität Hamburg, 1986.
3. American Society for Testing and Materials (ASTM), Standard practice for direct contact cell culture evaluation of materials for medical devices. Designation: F 813–83, Annual book of ASTM standards, Philadelphia, PA, 1987. p. 323–27.
4. Characterization of short-fibre reinforced thermoplastics for fracture fixation devices;Brown;Biomaterials,1990
5. Biological response to chopped-carbon-fiber-reinforced PEEK;Jockisch;J Biomed Mater Res,1992