1. K. Pretzl, in these proceedings.
2. D. Hueber et al., CryogenicsJuly, 387 (1981)
3. M. Frank et al., Nucl. Instr. and Meth.A287, 329 (1990)
4. G. Meagher et al., in: Low Temperature Detectors for Neutrinos and Dark Matter IV, p. 47 (Editions Frontieres, Gif-Sur-Yvette Cedex, 1992).
5. R. Leoni et al., in these proceedings.