Unknown
Collaboration:, The VIRGO
;
Acernese, F
;
Amico, P
;
[et al.]
Arnaud, N
;
Babusci, D
;
Ballardin, G
;
Barill, R
;
Barone, F
;
Barsuglia, M
;
Beauville, F
;
Bellachia, F
;
Bizouard, M A
;
Boccara, C
;
Boget, D
;
Bondu, F
;
Bourgoin, C
;
... and further 141
Institute of Physics