TY  - RPRT
TI  - Schwinger multichannel method for positron-molecule scattering.
AU  - JS Germano
AU  - MA Lima
PY  - 1993
DO  - 10.1103/physreva.47.3976
UR  - https://pubmed.ncbi.nlm.nih.gov/9909405/
ID  - 9909405
ER  -