TY  - RPRT
TI  - Molecular forces in protein structure and crystallography.
AU  - G N Ramachandran
PY  - 1969
DO  - 10.1111/j.1399-3011.1969.tb01622.x
UR  - https://pubmed.ncbi.nlm.nih.gov/5406489/
ID  - 5406489
ER  -