Tornquist, Luis, Rejane Frozza, Daniela Bagatini, and Andréa Konzen.
" Intelligent Agents Acting in Virtual Bookstores." <em>Proceedings of the 3rd Workshop-School on Agents, Environments, and Applications,
Caxias do Sul/RS, 2009</em>. SBC, 2009,  
pp.79-88.