TY  - RPRT
TI  - Crystallography fixes it for nitrogenase.
AU  - R R Eady
AU  - B E Smith
PY  - 1992
DO  - 10.1016/0960-9822(92)90103-h
UR  - https://pubmed.ncbi.nlm.nih.gov/15336014/
ID  - 15336014
ER  -