TY - GEN AU - Hsia, Jack J C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1976-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.TN.594-12 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1976 TI - Optical radiation measurements ::the translucent blurring effect-- method of evaluation and estimation /. ER -