1. F. Sauli, Nucl. Instr. and Meth. (1997), to be published.
2. See for example R. Bouclier et al., New observations with the Gas Electron Multiplier (GEM), CERN-PPE/97-32, 1997.
3. Y. Bennhamou, J.C. Fontaine, D. Huss, F. Jeanneau.
4. O. Pooth et al., Report on the CMS Forward-Backward MSGC Milestone, CMS CR/1998-006, 1998, presented at this conference.
5. S. Bachmann et al., Spatial resolution of a wedge shaped forward tracker prototype, CMS-Note/97-077, 1997.