@conference{8022,
  author = {James Faller and J. Hoskins and P. Keyser and T. Niebauer},
  title = {Fluid\textendashFiber Gradiometers. Their Promise for Tunnel Detection  \textendash A Status Report},
  year = {1984},
  address = {Golden, Colorado},
  note = {JILA Pub. 2990},
}