@article{4593,
  author = {P. Nelson},
  title = {An active vibration isolation system for inertial reference and precision measurement},
  year = {1991},
  journal = {Review of Scientific Instruments},
  volume = {62},
  pages = {2069},
  month = {Jan-01-1991},
  issn = {00346748},
  url = {http://link.aip.org/link/RSINAK/v62/i9/p2069/s1\&Agg=doi},
  doi = {10.1063/1.1142368},
}