Seismic instruments: article

Seismometer without elastic element with electromechanical feedback stabilization of levitation (force- balance)
S. Krylov
Journal: Seismic instruments
Tome: 41
Number:
Year: 2005
Pages: 31-35
Аnnotation: Seismometer without elastic element with electromechanical feedback stabilization of levitation (force- balance)