László Márai Javier Lafuente Gábor Márton Timo Perälä Mikko Tarkiainen Delivering Personalized Local Services. 471-475 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3160&spage=471 2004 conf/mhci/2004 Mobile HCI db/conf/mhci/mhci2004.html#MaraiLMPT04