TY  - RPRT
TI  - Impact ejecta layer from the mid-Devonian: possible connection to global mass extinctions.
AU  - Brooks B Ellwood
AU  - Stephen L Benoist
AU  - Ahmed El Hassani
AU  - Christopher Wheeler
AU  - Rex E Crick
PY  - 2003
DO  - 10.1126/science.1081544
UR  - https://pubmed.ncbi.nlm.nih.gov/12805544/
ID  - 12805544
ER  -