Coexistence and Transformation of Informal and Formal Structures: Requirements for More Flexible Hypermedia Systems.

db/conf/echt/HaakeNS94.html Jörg M. Haake Christine Neuwirth Norbert A. Streitz Coexistence and Transformation of Informal and Formal Structures: Requirements for More Flexible Hypermedia Systems. 1-12 ECHT1994/P001.pdf 1994 conf/echt/94 ECHT db/conf/echt/echt94.html#HaakeNS94