TY  - RPRT
TI  - Activators of photoluminescence in calcite: evidence from high-resolution, laser-excited luminescence spectroscopy
AU  - V.A. Pedone
AU  - K.R. Cercone
AU  - R.C. Burruss
PY  - 1990
DO  - 10.1016/0009-2541(90)90112-k
UR  - https://pubs.usgs.gov/publication/70016049
ID  - 70016049
ER  -