TY  - RPRT
TI  - Photon splitting in strong magnetic fields.
AU  - M Mentzel
AU  - D Berg
AU  - G Wunner
PY  - 1994
DO  - 10.1103/physrevd.50.1125
UR  - https://pubmed.ncbi.nlm.nih.gov/10017810/
ID  - 10017810
ER  -