TY  - RPRT
TI  - Finite-difference method for the calculation of low-energy positron diffraction.
AU  - Y Joly
PY  - 1996
DO  - 10.1103/physrevb.53.13029
UR  - https://pubmed.ncbi.nlm.nih.gov/9982981/
ID  - 9982981
ER  -