@incollection{LudMor03,
title = {{Categorization in knowledge building: Task specific argumentation
in a co-located CSCL environment}},
address = {Dordrecht, NL},
author = {Sten Ludvigsen and Anders M�rch},
booktitle = {{Designing for Change in Networked Learning Environments. Proceedings
of the International Conference on Computer Support for Collaborative
Learning (June 14-18th 2003 ) in Bergen, Norway}},
editor = {Barbara Wasson and Sten Ludvigsen and Ulrich Hoppe},
pages = {67--76},
publisher = {Kluwer },
year = {2003},
groupsearch = {0},
keywords = {CSCL, cooperation script }
}
::