Zwei Jahre Online - Dermatologie Atlas DOIA. - Andreas Bittorf; N. C. Krejci-Papa; T. L. Diepgen (GMDS, 1996)

How to set up and maintain an image database on the WWW efficiently. - Andreas Bittorf (WebNet, 1996)

An International Dermatological Image Atlas on the WWW: Practical Use for Undergraduate and Continuing Medical Education, Patient Education and Epidemiological Research. - Gunther Eysenbach; Jürgen Bauer; Alexander Sager; Andreas Bittorf; Miklós Simon; Thomas L. Diepgen (MedInfo, 1998)