TY  - RPRT
TI  - Coot: model-building tools for molecular graphics.
AU  - Paul Emsley
AU  - Kevin Cowtan
PY  - 2004
DO  - 10.1107/s0907444904019158
UR  - https://pubmed.ncbi.nlm.nih.gov/15572765/
ID  - 15572765
ER  -