1988 · J.H. Duijn, C.W.E. van Eijk, et al. · Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment · 4
1990 · J.H. Duijn, C.W.E. van Eijk, et al. · Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment · 2