TY  - RPRT
TI  - Paleontology. Mass extinctions face downsizing, extinction.
AU  - R A Kerr
PY  - 2001
DO  - 10.1126/science.293.5532.1037
UR  - https://pubmed.ncbi.nlm.nih.gov/11498561/
ID  - 11498561
ER  -