• [1]

    G. Charpak and Sauli, Nucl. Instr. and Meth.,113(1973),381.[2]A. Breskin et al.,Nucl. Instr. and Meth.,143(1977),29.[3]G. Charpak et al.,Nucl. Instr. and Meth.,148(1978),471;167(1979),455.[4]N. Awaji et al.,Nucl. Instr. and Meth.,198(1982),243.[5]李澄等,高能物理与核物理,12(1988),440.[6]王建春等,高能物理与核物理,15(1991),673.