Extending the VIRGO gravitational wave detection band down to a few Hz: metal blade springs and magnetic antisprings
M Beccaria, M Bernardini, E Bougleux, S Braccini, C Bradaschia, C Casciano, G Cella, E Cucco, E DAmbrosio, G DeCarolis, R DelFabbro, R DeSalvo, A DiVirgilio, I Ferrante, F Fidecaro, R Flaminio, A Gaddi, A Gennai, G Gennaro, A Giazotto, L Holoway, P LaPenna, G Losurdo, S Malik, S Mancini, J Nicolas, F Palla, HB Pan, F Paoletti, A Pasqualetti, D Passuello, R Poggiani, P Popolizio, F Raffaelli, A Vicere, F Waharte, Z Zhang
July, 1997