@conference{91986,
  author = {Christopher Evans and Angela Davies and Tony Schmitz and R Parks},
  title = {Interferometric Figure Metrology; Enabling In-House Traceability},
  year = {2001},
  number = {4450},
  month = {2001-06-06},
  publisher = {SPIE Annual Meeting, San Diego, CA},
  language = {en},
}