M. Arango, P. Bates, R. Fish, G. Gopal, G. Griffeth et al., Touring machine, Proceedings of The 1992 IFIP international conference on Upper layer protocols, 1992.
DOI : 10.1145/142267.142301

P. Blumenfeld, E. Soloway, R. Man, J. Krajcik, M. Guzdial et al., Motivating project-based learning: Sustaining the doing, supporting the learning, Educational Psychologist, vol.26, 1991.

N. S. Borenstein, Multimedia applications development with the A ~ d r e w Toolkit, 1990.

T. Bredderman, Effects of Activity-based Elementary Science on Student Outcomes: A Quantitative Synthesis, Review of Educational Research, vol.53, issue.4, pp.499-504, 1983.
DOI : 10.3102/00346543053004499

T. Brinck and L. Gomez, A collaborative medium for the support of conversational props, Proceedings of the 1992 ACM conference on Computer-supported cooperative work , CSCW '92, 1992.
DOI : 10.1145/143457.143476

J. S. Brown, A. Collins, and P. Duguid, Situated Cognition and the Culture of Learning, Educational Researcher, vol.18, issue.1, 1989.
DOI : 10.3102/0013189X018001032

R. D. Carlitz, Common knowledge: Networks for kindergarten through college, Educom Review, vol.26, issue.2, pp.25-28, 1991.

G. C. Cruz, L. M. Gomez, and W. T. Wilner, Tools to support conversational multimedia, Proc. GlobeCornm '91, 1991.

B. Eylon and M. C. Linn, Models and integration activities in science education

T. Finholt and L. S. Sproull, Electronic Groups at Work, Organization Science, vol.1, issue.1, pp.1-64, 1990.
DOI : 10.1287/orsc.1.1.41

J. Galegher, R. E. Kraut, and &. C. Egido, Intellectual teamwork: Social and technological foundations of cooperative work, pp.191-220, 1990.

G. Gopal, G. Herman, and M. P. Vecchi, The Touring Machine Project: Toward a public network platform for multimedia applications, Proc. 8th International Conference on Software Engineering for Telecommunications Systems and Services, 1992.

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

R. D. Hill, The abstraction-link-view paradigm, Proceedings of the SIGCHI conference on Human factors in computing systems , CHI '92, 1992.
DOI : 10.1145/142750.142828

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

M. C. Linn and N. B. Songer, How do students make sense of science?

I. V. Mullis and L. B. Jenkins, The Science Report Card, Elements of Risk and Discovery: Trends and Achievement Based on the 1986 National Assessment: Educational Testing Service Educating Americans for the 21st Century, National Science Board National Science Board Commission on Precollege Education in Mathematics Science and Technology, 1983.

D. U. Washington, Congress Office of Technology Assessment

J. F. Patterson, R. D. Hill, S. L. Rohall, and W. S. Meeks, Rendezvous: an architecture for synchronous multi-user applications, Proceedings of the 1990 ACM conference on Computer-supported cooperative work , CSCW '90, 1990.
DOI : 10.1145/99332.99364

R. D. Pea and L. M. Gomez, 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) Distributed multimedia learning environments, Interactive Learning Environments, vol.2, issue.2, 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

L. Roberts, Power On! New tools for teaching and learning, 1988.

B. Rogoff, Apprenticeship in thinking: Cognitive development in social context, 1990.

R. W. Root, Design of a multi-media vehicle for social browsing, Proceedings of the 1988 ACM conference on Computer-supported cooperative work, CSCW '88, pp.25-38, 1988.
DOI : 10.1145/62266.62269

R. R. Ruopp, S. Gal, B. Drayton, and . Pfister, LabNet: Toward a community of practice, Journal of Science Education and Technology, vol.27, issue.2
DOI : 10.1007/BF00694594

R. W. Scheifler, J. Gettys, and R. Newman, X Window System: C Library and Protocol Reference, 1988.

J. Shymansky, W. Kyle, . Jr, and J. Alport, The effects of new science curricula on student performance, Journal of Research in Science Teaching, vol.68, issue.5, pp.397-404, 1983.
DOI : 10.1002/tea.3660200504

R. Tinker, Thinking about science, 1992.

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