1. L. Råde, Reliability equivalence, In Studies in Statistical Quality Control and Reliability 1989-1. Mathematical Statistics, Chalmers University of Technology.
2. L. Råde, Reliability systems of three-state components, In Studies in Statistical Quality Control and Reliability 1990-3. Mathematical Statistics, Chalmers University of Technology.
3. L. Råde, Performance measures for reliability systems with a cold standby with a random switch. Mathematical Statistics, Chalmers University of Technology.
4. Expected time to failure of reliability systems;Råde,1989