1. The use of multiwire proportional counters to select and localize charged particles
2. R. Bouclier, G. Charpak, S. Dimčovski, G. Fischer, F. Sauli, G. Coignet and G. Flügge, submitted to Nucl. Instr. and Meth.
3. Minimum tension requirement for Charpak chamber wires;Trippe;CERN NP Internal Report 69-18,1969
4. Performance of large Charpak chambers;Dieperink;CERN NP Internal Report 69-25,1969
5. Construction problems with large proportional wire chambers;Dieperink;CERN NP Internal Report 69-28,1969