@misc{indiciaeb9faa9195b6f, title = {Measuring In-Plane Displacements with Variable Sensitivity Using Diffractive Optic Interferometry}, author = {Shepherd, Robert L. and Gilbert, John A. and Cole, Helen J. and Ashley, Paul R.}, year = {1998}, url = {https://ntrs.nasa.gov/citations/19990113196}, note = {Source identifier: 19990113196} }