TY  - RPRT
TI  - Introduction to Theme 4: The virtual potential.
AU  - Anders Nattestad
AU  - Rolf Attstrom
PY  - 2002
DO  - 10.1034/j.1600-0579.6.s3.16.x
UR  - https://pubmed.ncbi.nlm.nih.gov/12390268/
ID  - 12390268
ER  -