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TOIS16(2): 127-160.
50. Hymes, C. M. and G. M. Olson (1992).Unblocking brainstorming through the use of a
simple group editor.Proceedings of the ACM Conference on Computer Supported Co-
operative Work (CSCW'92), Toronto, Ontario, ACM Press.
51. Joyce, M. (1988). “Siren Shapes: Exploratory and Constructive Hypertext.”Academic
Computing(3): pp. 10-14.
41. Goldstein, I. P. and D. G. Bobrow (1984). A Layered Approach to Software Design.In-
teractive Programming environments.D. R. Barstow, H. E. Shrobe and E. Sadewall.
New Nork, McGraw-Hill:387-413.
42. Greenberg, S. and D. Marwood (1994).Real Time Groupware as a Distributed System:
Concurrency control and its Effect on the Interface.Proceedings of the ACM Conference
on Computer Supported Cooperative Work (CSCW'94), Chapel Hill, North Carolina,
ACM Press.
43. Greif, I. and S. Sarin (1987). “Data sharing in group work.”ACM Transactions on Of-
fice Information Systems5(2): 187-211.
44. Grønbæk, K. and R. H. Trigg (1999 (forthcoming)).From Web to Workplace. Boston,
MIT Press.
45. Haake, A. (1991a). Publishing Tools Need Both: State-Oriented and Task-Oriented
Version Support, Gesselschaft für Mathematik un Datenverarbeitung MBH.
46. Haake, A. (1991b). Versioning Issues in Hypermedia Publishing Environments, Ges-
selschaft für Mathematik un Datenverarbeitung MBH.
47. Haake, A. and D. Hicks (1996).VerSE: towards hypertext versioning styles.Hypertext
'96, Washington, DC.
48. Halasz, F. G. (1988). “Reflections on Notecards: Seven issues for the next generation
of hypermedia systems.” Communications of the ACM31(7): 836-852.
49. Hicks, D., J. J. Leggett, et al. (1998). “A Hypermedia Version Control Framework.”
TOIS16(2): 127-160.
50. Hymes, C. M. and G. M. Olson (1992).Unblocking brainstorming through the use of a
simple group editor.Proceedings of the ACM Conference on Computer Supported Co-
operative Work (CSCW'92), Toronto, Ontario, ACM Press.
51. Joyce, M. (1988). “Siren Shapes: Exploratory and Constructive Hypertext.”Academic
Computing(3): pp. 10-14.
