Daniel Prince Andrew Scott W. D. Shepherd On Demand Network Level Service Deployment in Ad Hoc Networks. 817-822 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2775&spage=817 2003 conf/ifip6-8/2003 PWC db/conf/ifip6-8/pwc2003.html#PrinceSS03