Armando Ferro Fidel Liberal E. Ibarrola Alejandro Muñoz Cristina Perfecto Internet Quality of Service Measurement Tool for Both Users and Providers. 1195-1203 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3124&spage=1195 2004 conf/ict/2004 ICT db/conf/ict/ict2004.html#FerroLIMP04