1. E. Engels et al, NIM 226(1984) 59–62.
2. E. Engels et al, NIM A253(1987) 523–529.
3. Multi Wire Proportional Chamber Readout System, MPWC-1, Nanometric Systems, Inc., 451 S. Boulevard Oak Park, Il. 60302.
4. F. Lobkowicz et al, NIM A235(1985) 332–337.
5. 4) Private communication from G. Blazey.