TY  - RPRT
TI  - Second Note: Electrodynamics in the General Relativity Theory.
AU  - G Y Rainich
PY  - 1924
DO  - 10.1073/pnas.10.7.294
UR  - https://pubmed.ncbi.nlm.nih.gov/16576820/
ID  - 16576820
ER  -