1. Improved sensitivity in a gravitational wave interferometer and implications for LIGO
2. K. Danzmann et al., GEO 600: Proposal for a 600m laser interferometric gravitational wave antenna, Max-Planck- Institute für Quantenoptik Report, Garching, Germany, 1994.
3. C. Bradaschia et al., VIRGO: Proposal for the Construction of a Very Large Baseline Interferometric Antenna for Gravitational Waves Detection, Proposal to INFN, Italy, CNRS, France, 1989, 1992, 1995.
4. Energy dissipation in the pendulum mode of the test mass suspension of a gravitational wave antenna
5. Q factor measurements on prototype fused quartz pendulum suspensions for use in gravitational wave detectors