1. Fietszitjes;ANWB,1983
2. Bicycle safety: opportunities for family education;Betz;Peaditric Nursing,1983
3. Pedal cycling accidents: mechanics and consequences — a study from Northern Sweden;Björnstig;Acta Chirurgica Scandinavica,1984
4. Spaakongevallen; Epidemiologie, toedracht en preventie van beknellingen in een fietswiel;Bruggers,1992
5. Cycles;British Standards Institution;BS 6102,1981