1. & in ?Modern trends in activation analysis?, Texas A & M University, 1965;
2. in ?Nuclear Activation Techniques in the Life Sciences?, IAEA, Vienna, 1967, STI/Pub/155.
3. EIR-Bericht, in press.
4. & eir interner bericht tm-CH-98 (1968).
5. A new gain stabilising system for scintillation spectrometers