@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}, }