TY  - RPRT
TI  - Super-secondary structures involving triple-strand beta-sheets.
AU  - A V Efimov
PY  - 1993
DO  - 10.1016/0014-5793(93)80688-q
UR  - https://pubmed.ncbi.nlm.nih.gov/8243626/
ID  - 8243626
ER  -