TY  - RPRT
TI  - Long-persistence blue phosphors
AU  - Yen, William M.
AU  - Jia, Weiyi
AU  - Lu, Lizhu
AU  - Yuan, Huabiao
PY  - 2000
UR  - https://ntrs.nasa.gov/citations/20080004048
ID  - 20080004048
ER  -