1. Sufficient validation — The value of robustness in performance assessment and system design;McCombie,1991
2. Validation — Another perspective;McCombie;Groundwater,1993
3. The rôle of natural analogues in nuclear waste repository performance assessment with particular emphasis on experience in Switzerland;McKinley;Reliability Engineering and System Safety,1993
4. Natural analogue studies in the geological disposal of radioactive wastes;Miller;Nagra Technical Report series, NTB 93-03, Nagra, Wettingen, Switzerland,1993