Dimitris Papalexopoulos;Eleni Kalafati;Sakis Papadopoulos
NTUA, Greece;Greece;Greece
Aquanet: a hypertext tool to hold your knowledge in place
HYPERTEXT '91 Proceedings of the third annual ACM conference on Hypertext
Coexistence and transformation of informal and formal structures: requirements for more flexible hypermedia systems
ECHT '94 Proceedings of the 1994 ACM European conference on Hypermedia technology