1. R. Beccherle et al., PD3, a low-noise precision timing analog front-end integrated circuit, IEEE Nucl. Sci. Symp., 1997, submitted.
2. R. Marchesini et al., Two VLSI CMOS ICs for digital X-ray 2-D imaging system: low noise front-end amplifier and 80 MHz digital encoder interface, Proc. 1996 IEEE-CAS Region 8, Pavia, 13–14 September 1996, p. 55.
3. A. Del Guerra, M. Gambaccini, R. Marchesini et al., A high rate X-Y coincidence VLSI system for 2-D imaging detectors, Nucl. Instr. and Meth. 1997, in press.
4. R. Birch, M. Marshall, G.M. Ardran, Catalogue of Spectral Data for Diagnostic X-rays, The Hospital Physicists Association, London, 1979.