Observations of the gravitational gradient background using the Ulitka gravitational antenna Gusev, A. V. ; Kulagin, V. V. ; Oreshkin, S. I. ; Rakhmanov, A. N. ; Rudenko, V. N. ; Serdobol'Skii, A. V. ; Tsepkov, A. V. ; Tsyganov, A. V. ; Motylev, A. N. Abstract Publication: Astronomy Reports Pub Date: March 1997 Bibcode: 1997ARep...41..248G