@conference{830011,
  author = {Chu-Shik Kang and Ulf Griesmann and Johannes Soons},
  title = {Measurement of the diameter variation and refractive index inhomogeneity of a fused silica sphere using four-surface phase-shifting interferometry},
  year = {2012},
  month = {2012-09-09 00:09:00},
  publisher = {XX IMEKO World Congress; Metrology for Green Growth, Busan, KR},
  language = {en},
}