@article{P101.019,
author={Bruyneel, F. and De Smet, H. and Vanfleteren, J. and Van Calster, A.},
title={Method for measuring the cell gap in liquid-crystal displays},
journal={Optical Engineering},
year={2001},
month={2},
volume={40},
number={2},
pages={259-267},
publisher={SPIE-International Society Optical Engineering},
address={Bellingham},
}