Flavio De Angelis Ibrahim W. Habib Fabrizio Davide Mahmoud Naghshineh The Impact of Revenues on Delivering Differentiated IP Multimedia Services in Wired/Wireless Networks. 405-418 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3375&spage=405 2005 conf/qosip/2005 QoS-IP db/conf/qosip/qosip2005.html#AngelisHDN05