TY - GEN AU - Johnson, E. C2 - Technical Note (NIST TN), National Institute of Standards and Technology, Gaithersburg, MD DA - 1979-07-01 00:07:00 LA - en PB - Technical Note (NIST TN), National Institute of Standards and Technology, Gaithersburg, MD PY - 1979 TI - Design of a Reflection Apparatus for Laser Beam Profile Measurements ER -