TY  - RPRT
TI  - Equivalent fields and scatter integration for photon fields.
AU  - Y Xiao
AU  - B E Bjärngard
AU  - J Reiff
PY  - 1999
DO  - 10.1088/0031-9155/44/4/017
UR  - https://pubmed.ncbi.nlm.nih.gov/10232814/
ID  - 10232814
ER  -