1. J. Markgraf, Reloadable irradiation device for non-fissile material irradiations, Type REFA 14-1 and REFA 15-1. Pet/SAF Rep. 387, unpublished.
2. R. Lölgen and H. Hausen, In-pile creep assemblies Ma-07/08/09 for uniaxial creep measurements on graphite compact samples under tensile load at 900°C irradiation temperature, Project J98/1–3, unpublished.
3. T. Grosz and B. Seysener, Beschrijving electrische instrumentatie voor project J-98, Technical Note E.L. 71.28, unpublished.
4. R. Lölgen and H. Hausen, Project J98-01, Provisional Progress Report, unpublished.
5. R. Lölgen and H. Hausen, Project J98-02, Progress Report Nr 1, unpublished.