TY - GEN AU - Lieberman, A George C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1982-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.TN.1171 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1982 TI - An electromagnetic formulation for treating optical reflections from graded-material surfaces: ER -