TY  - RPRT
TI  - Gene duplication in experimental enzyme evolution.
AU  - P W Rigby
AU  - B D Burleigh
AU  - B S Hartley
PY  - 1974
DO  - 10.1038/251200a0
UR  - https://pubmed.ncbi.nlm.nih.gov/4417076/
ID  - 4417076
ER  -