TY  - RPRT
TI  - The "Phoca standard": an external molecular reference for calibrating recent evolutionary divergences.
AU  - U Arnason
AU  - X Xu
AU  - A Gullberg
AU  - D Graur
PY  - 1996
DO  - 10.1007/bf02352298
UR  - https://pubmed.ncbi.nlm.nih.gov/8660422/
ID  - 8660422
ER  -