Channel sharing in multi-hop WDM lightwave networks do we need more channels?. - Srini B. Tridandapani; Biswanath Mukherjee; Geir Hallingstad (IEEE/ACM Trans. Netw., 1997)

Protected core networking: an architectural approach to secure and flexible communications. - Geir Hallingstad; Sander Oudkerk (IEEE Commun. Mag., 2008)

Real-time automated risk assessment in protected core networking. - Konrad S. Wrona; Geir Hallingstad (Telecommun. Syst., 2010)

Controlled information sharing in NATO operations. - Konrad S. Wrona; Geir Hallingstad (MILCOM, 2011)