Fabio Pianesi Ilenia Graziola Massimo Zancanaro Dina Goren-Bar The motivational and control structure underlying the acceptance of adaptive museum guides - An empirical study. 186-200 2009 21 Interacting with Computers 3 http://dx.doi.org/10.1016/j.intcom.2009.04.002 db/journals/iwc/iwc21.html#PianesiGZG09