TY  - RPRT
TI  - Expanding the model: anisotropic displacement parameters in protein structure refinement.
AU  - E A Merritt
PY  - 1999
DO  - 10.1107/s0907444999003789
UR  - https://pubmed.ncbi.nlm.nih.gov/10329772/
ID  - 10329772
ER  -