TY  - RPRT
TI  - Modeling harmonic generation by a zero-range potential.
AU  - W Becker
AU  - S Long
AU  - JK McIver
PY  - 1994
DO  - 10.1103/physreva.50.1540
UR  - https://pubmed.ncbi.nlm.nih.gov/9911047/
ID  - 9911047
ER  -