TY  - RPRT
TI  - Propagation-independent fields.
AU  - P Gori
AU  - M Pappalardo
PY  - 2002
DO  - 10.1016/s0041-624x(02)00108-7
UR  - https://pubmed.ncbi.nlm.nih.gov/12159949/
ID  - 12159949
ER  -