1. R. Weiss: Quarterly Report of the Research Laboratory of Electronics of the Massachusetts Institute of Technology 105, 54?76
2. R.W.P. Drever, R. Weiss, P.S. Linsay, P.R. Saulson, R. Spero, F. Schutz: A Detailed Engineering Design Study and Development and Testing of Components for a Laser Interferometric Gravitational Wave Observatory. California Institute of Technology and MIT (1985) (unpublished)
3. J. Hough, B. Meers, G.P. Newton, N.A. Robertson, H. Ward, B.F. Schutz, R.W.P. Drever, I.F. Corbett: A British Long Baseline Gravitational Wave Observatory, Design Study Report GWD/RAL/86-001 (1986)
4. G. Leuchs, K. Maischberger, A. Rüdiger, R. Schilling, L. Schnupp, W. Winkler: Max-Planck-Institute Internal Report MPQ 129 (1987)
5. A. Giazotto, L. Milano, P. Tourrenc: Long Baseline Interferometric Antenna for Research on Gravitational Waves, University of Pisa, University of Naples and Salerno, CNRS University Pierre et Marie Curie, Gravitation and Relativistic Cosmology (Orsay-Paris), INFN PI/AE 87/1 (1987)