A. Borning and H. Travers, Two approaches to casual interaction over computer and video networks, Proceedings of the SIGCHI conference on Human factors in computing systems Reaching through technology, CHI '91, pp.13-19, 1991.
DOI : 10.1145/108844.108847

A. L. Brown and J. C. Campione, Communities of Learning and Thinking, or A Context by Any Other Name
DOI : 10.1159/000418984

H. E. Bussey and S. E. Minzer, A BISDN signaling protocol that supports multimedia interpersonal and information system applications, Bellcore, 1990.

J. W. Carey, Communication as culture: Essays on media and society, 1989.

D. D. Clark and D. L. Tennenhouse, Architectural considerations for a new generation of protocols, Proceedings of SigComm '90, 1990.

A. Collins, J. S. Brown, and S. Newman, Cognitive Apprenticeship, Knowing. learning, and instruction: Essays in honor of, 1989.
DOI : 10.5840/thinking19888129

G. C. Cruz, L. Gomez, and W. T. Wilner, Tools to support conversational multimedia, Proceedings of GlobeComm '91, 1991.

R. S. Fish, R. E. Kraut, R. W. Root, and R. E. Rice, Video as a technology for informal communication, Communications of the ACM, vol.36, issue.1, pp.48-61, 1993.
DOI : 10.1145/151233.151237

C. Geertz, The interpretation of cultures, 1973.

N. Griffeth, The negotiating agent model for establishing and modifying communications, Proceedings of the TINA-2 Workshop, 1991.

J. Hawkins, Technology-Mediated Communities for Learning: Designs and Consequences, The ANNALS of the American Academy of Political and Social Science, vol.514, issue.1, pp.159-174, 1991.
DOI : 10.1177/0002716291514001013

J. Lave and E. Wenger, Situated learning: Legitimate peripheral participation, 1991.
DOI : 10.1017/CBO9780511815355

J. A. Levin, M. Riel, N. Miyake, and M. Cohen, Education on the electronic frontier: Teleapprentices in globally distributed educational contexts, Contemporary Educational Psychology, vol.12, issue.3, pp.254-260, 1987.
DOI : 10.1016/S0361-476X(87)80030-9

D. Newman, P. Griffin, and M. Cole, The construction zone: Working for cognitive change in school, 1989.

R. D. Pea, 199 1 a) Designing classroom resources for conceptual change in science: Dynagrams (Final NSF Project Rep. No. MDR-88-55582)

R. D. Pea, Learning through multimedia, IEEE Computer Graphics and Applications, vol.11, issue.4, pp.58-66, 1991.
DOI : 10.1109/38.126882

URL : https://hal.archives-ouvertes.fr/hal-00190567

R. D. Pea, Augmenting the discourse of learning with computer-based learning environments Computer-based learning environments and problem-solving [NATO Series, subseries F: Computer and System Sciences, pp.313-343, 1992.

R. D. Pea, Learning scientific concepts through material and social activities: Conversational analysis meets conceptual change, Educational Psychologist, vol.7, issue.2, pp.265-277, 1993.
DOI : 10.1146/annurev.an.19.100190.001435

URL : https://hal.archives-ouvertes.fr/hal-00190572

R. D. Pea, Practices of distributed intelligence and designs for education, Distributed cognitions, pp.47-87, 1993.
URL : https://hal.archives-ouvertes.fr/hal-00190571

R. D. Pea and L. Gomez, Distributed multimedia learning environments: Why and how? Interactive Learning Environments, pp.73-109, 1992.

M. M. Riel and J. A. Levin, Building electronic communities: success and failure in computer networking, Instructional Science, vol.8, issue.4, pp.145-169, 1990.
DOI : 10.1007/BF00120700

J. Roschelle, Learning by collaboration: Convergent conceptual change, The Journal of the Learning Sciences, vol.3, pp.235-276, 1993.

A. Rubin, The Alaska QUILL Network: Fostering a teacher community through telecommunication, 1992.

R. Ruopp, S. Gal, B. Drayton, and M. Pfister, LabNet-Toward a communify of practice, 1993.

M. Scardamalia and C. Bereiter, Higher levels of agency for children in knowledgebuilding: A challenge for the design of new knowledge media, The Journal of the Learning Sciences, vol.1, issue.3, 1991.

M. Scardamalia and C. Bereiter, (in press) Schools as knowledge-building communities, Human development

D. R. Spears, Broadband ISDN Switching Capabilities from a Services Perspective, IEEE Journal on Selected Areas in Communications, vol.5, issue.8, pp.1222-1230, 1987.
DOI : 10.1109/JSAC.1987.1146651

J. C. Tang and S. L. Minneman, VideoWhiteboard, Proceedings of the SIGCHI conference on Human factors in computing systems Reaching through technology, CHI '91, pp.15-322, 1991.
DOI : 10.1145/108844.108932

R. Tinker, Thinking about science, 1992.

M. Waugh and J. A. Levin, TeleScience activities: Educational uses of electronic networks, Journal of Computers in Mathematics and Science Teaching, vol.8, pp.29-33, 1989.