Approximations for the M/G/m Queue. - Per Hokstad (Oper. Res., 1978)

A risk influence model applied to North Sea helicopter transport. - Per Hokstad; Erik Jersin; Terje Sten (Reliab. Eng. Syst. Saf., 2001)

Loss of safety assessment and the IEC 61508 standard. - Per Hokstad; Kjell Corneliussen (Reliab. Eng. Syst. Saf., 2004)

Overall strategy for risk evaluation and priority setting of risk regulations. - Per Hokstad; Trygve Steiro (Reliab. Eng. Syst. Saf., 2006)

Estimation of common cause factors from systems with different numbers of channels. - Per Hokstad; Alexandre Maria; Pierre Tomis (IEEE Trans. Reliab., 2006)

A method for risk modeling of interdependencies in critical infrastructures. - Ingrid Bouwer Utne; Per Hokstad; Jørn Vatn (Reliab. Eng. Syst. Saf., 2011)

Demand rate and risk reduction for safety instrumented systems. - Per Hokstad (Reliab. Eng. Syst. Saf., 2014)

Common cause failures in safety-instrumented systems: Using field experience from the petroleum industry. - Stein Hauge; Per Hokstad; Solfrid Håbrekke; Mary Ann Lundteigen (Reliab. Eng. Syst. Saf., 2016)