TY  - RPRT
TI  - Directional structural features of globular proteins.
AU  - G M Crippen
AU  - I D Kuntz
PY  - 1977
DO  - 10.1016/0022-5193(77)90311-3
UR  - https://pubmed.ncbi.nlm.nih.gov/875421/
ID  - 875421
ER  -