TY  - RPRT
TI  - Spectral emission properties of NBS standard phosphor samples under photo-excitation. 
AU  - Shelton, Carl F
PY  - 1968
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS TN 417
DO  - 10.6028/NBS.TN.417
ER  -