ELM-ART: An Intelligent Tutoring System on World Wide Web. - Peter Brusilovsky; Elmar W. Schwarz; Gerhard Weber 001 (Intelligent Tutoring Systems, 1996)

A tool for developing adaptive electronic textbooks on WWW. - Peter Brusilovsky; Elmar W. Schwarz; Gerhard Weber 001 (WebNet, 1996)

Adaptive Navigation Support in Educational Hypermedia on the World Wide Web. - Peter Brusilovsky; John Eklund; Elmar W. Schwarz (INTERACT, 1997)

Self-Organized Goal-Oriented Tutoring in Adaptive Hypermedia Environments. - Elmar W. Schwarz (Intelligent Tutoring Systems, 1998)

Web-Based Education for All: A Tool for Development Adaptive Courseware. - Peter Brusilovsky; John Eklund; Elmar W. Schwarz (Comput. Networks, 1998)