Kambourakis G., Geneiatakis D., Gritzalis S., Dagiouklas A., Lambrinoudakis C., Ehlert S., Fiedler J., «High Availability for SIP: Solutions and Real-Time Measurement Performance Evaluation», International Journal of Disaster Recovery and Business Continuity, SERSC http://www.sersc.org/journals/IJDRBC, 2009.
Kambourakis G., Geneiatakis D., Gritzalis S., Dagiouklas A., Lambrinoudakis C., Ehlert S., Fiedler J., «High Availability for SIP: Solutions and Real-Time Measurement Performance Evaluation», International Journal of Disaster Recovery and Business Continuity, SERSC http://www.sersc.org/journals/IJDRBC, 2009.