TY  - RPRT
TI  - Augmented-plane-wave forces.
AU  - JM Soler
AU  - AR Williams
PY  - 1990
DO  - 10.1103/physrevb.42.9728
UR  - https://pubmed.ncbi.nlm.nih.gov/9995222/
ID  - 9995222
ER  -