TY - RPRT TI - Ranging system which compares an object reflected component of a light beam to a reference component of the light beam AU - Mclauchlan, J. M. AU - Auyeung, J. AU - Tubbs, E. F. AU - Goss, W. C. AU - Psaltis, D. PY - 1985 UR - https://ntrs.nasa.gov/citations/19850026316 ID - 19850026316 ER -