TY  - RPRT
TI  - Conical emission as cooperative fluorescence.
AU  - W Chalupczak
AU  - W Gawlik
AU  - J Zachorowski
PY  - 1994
DO  - 10.1103/physreva.49.r2227
UR  - https://pubmed.ncbi.nlm.nih.gov/9910613/
ID  - 9910613
ER  -