Bridging the gap to IP telephony. - Paul G. A. Sijben; Louise F. A. Spergel (Bell Labs Tech. J., 1998)

Building the bridge: Devising an architecture to migrate voice-band calls to packet transport and multimedia services. - Paul G. A. Sijben; John P. L. Segers; Louise F. A. Spergel; Jack Kozik (Bell Labs Tech. J., 2000)

Application-level control of IP networks: IP beyond the Internet. - Paul G. A. Sijben; Mike Buckley; John P. L. Segers; Louise F. A. Spergel (Bell Labs Tech. J., 2001)

A model for quantifying business continuity preparedness risks for telecommunications networks. - Ahmad M. Jrad; Thomas Morawski; Louise F. A. Spergel (Bell Labs Tech. J., 2004)