TY  - RPRT
TI  - Evolutionary processes and evolutionary noise at the molecular level. I. Functional density in proteins.
AU  - E Zuckerkandl
PY  - 1976
DO  - 10.1007/bf01731487
UR  - https://pubmed.ncbi.nlm.nih.gov/933174/
ID  - 933174
ER  -