Bala Kalyanasundaram Mahendran Velauthapillai John G. Waclawsky Unlocking the Advantages of Dynamic Service Selection and Pricing. 46-57 2003 conf/ciac/2003 CIAC http://link.springer.de/link/service/series/0558/bibs/2653/26530046.htm db/conf/ciac/ciac2003.html#KalyanasundaramVW03