TY  - RPRT
TI  - Frequency-dependent selection, metrical characters and molecular evolution.
AU  - B C Clarke
AU  - P R Shelton
AU  - G S Mani
PY  - 1988
DO  - 10.1098/rstb.1988.0070
UR  - https://pubmed.ncbi.nlm.nih.gov/2905497/
ID  - 2905497
ER  -