1. Alves, A., Arkin, A., Askary, S., Barreto, C., Bloch, B., Curbera, F., et al., 2007. OASIS Web Services Business Process Execution Language (WS-BPEL) Version 2.0. OASIS Standard. Retrieved from: .
2. American National Standards Institute (ANSI), 1977. MUMPS (Massachusetts General Hospital Utility Multi-Programming System). Standard X11.1-1977.
3. Apache Software Foundation, 2012. ZooKeeper. Version 3.4.5. .
4. Rich services: the integration piece of the SOA puzzle;Arrott,2007
5. Integrating marine observatories into a system-of- systems: messaging in the U.S. Ocean observatories initiative;Arrott,2009