@article{89691,
  author = {Tony Schmitz and J Beckwith},
  title = {An investigation of two unexplored periodic error sources in differential-path interferometry},
  year = {2003},
  number = {27},
  month = {2003-01-02},
  publisher = {Precision Engineering-Journal of the International Societies for Precision Engineering and Nanotechnology},
  language = {en},
}