A New Digital Readout System for Ion Chambers A.J. Dent, B.R. Dobson, R.C. Farrow, A. Oates, C.A. Ramsdale et A.D. Smith J. Phys. IV France, 7 C2 (1997) C2-321-C2-322 DOI: 10.1051/jp4/1997211