TY - GEN AU - Carl F Shelton C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1968-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.TN.417 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1968 TI - Spectral emission properties of NBS standard phosphor samples under photo-excitation.: ER -