TY  - RPRT
TI  - Bipolar harmonic reduction formulae.
AU  - JL Friar
AU  - GL Payne
PY  - 1988
DO  - 10.1103/physrevc.38.1
UR  - https://pubmed.ncbi.nlm.nih.gov/9954777/
ID  - 9954777
ER  -