David Larrabeiti Ricardo Larrabeiti Manuel Urueña Arturo Azcorra Pablo Serrano Charging for Web Content Pre-fetching in 3G Networks. 358-367 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3266&spage=358 2004 conf/qofis/2004 QofIS db/conf/qofis/qofis2004.html#LarrabeitiLUAS04