David G. Novick, Oscar D. Andrade, Nathaniel Bean, Edith Elizalde. Help-based tutorials. In Henrique O Neill, Manuela Aparicio, Carlos J. Costa, Aristidis Protopsaltis, editors, Proceedings of the 26th Annual International Conference on Design of Communication, SIGDOC 2008, Lisbon, Portugal, September 22-24, 2008. pages 1-8, ACM, 2008. [doi]
Abstract is missing.