1. W. Obert, ‘Cryogenics of the Joint European Torus (JET) and the Next European Torus (NET)’, Proc. 12th Inter. Cryogenic Engin. Conf., ICEC 12, Southampton (1988).
2. W. Obert et al., ‘The JET Cryopumpsystem and its Cryolines for Neutral Injection’, Proc. 13th Symp. on Fusion Technol., SOFT 13, 1984.
3. A. Avery, Atomic Energy Establishment, Winfrith. (private information).
4. W. Obert ‘Updated Peak Load Analysis for JET Cryosystem He Panels’, Internal JET Report, CSNI C(83)1, PDN 17, Issue 2.
5. G. Pinter ‘Cryogenic Retention System for the De-Activation of Nitrogen’, Proc. IEEE 10th Symp. on Fusion Engineering, Philadelphia, Pa, 1983.