@conference{5507,
  author = {R. Stebbins and D. Newell and Sam Richman and Peter Bender and James Faller and J. Mason},
  title = {SPIE Proceedings 2264: Low-frequency active vibration isolation system},
  year = {1994},
  publisher = {SPIE},
  address = {San Diego, CA},
  doi = {10.1117/12.188876},
}