1. EU-FET project 213339 ALLOW, http://www.allow-project.eu/
2. D3.1 Basic flow-model and language for Adaptable Pervasive Flows. ALLOW Project Deliverable (November 2008)
3. APFoL homepage, http://www.antoniobucchiarone.it/APFoL.html
4. Blite: A formal account of WS-BPEL, http://rap.dsi.unifi.it/blite/
5. OASIS WSBPEL Tecnical Committee. Web Services Business Process Execution Language, version 2.0 (2007), http://docs.oasis-open.org/wsbpel/2.0/wsbpel-v2.0