Siegfried Reich Uffe Kock Wiil Peter J. Nürnberg Hugh C. Davis Kaj Grønbæk Kenneth M. Anderson David E. Millard Jörg M. Haake Addressing interoperability in open hypermedia: The design of the open hypermedia protocol. 207-248 1999 5 The New Review of Hypermedia and Multimedia db/journals/nrhm/nrhm5.html#ReichWNDGAMH99 http://dx.doi.org/10.1080/13614569908914714