TY  - RPRT
TI  - Evolutionary dynamics of plants and animals: a comparative approach
AU  - Valentine, J. W.
AU  - Tiffney, B. H.
AU  - Sepkoski, J. J. Jr
AU  - Sepkoski JJ, J. r.
PY  - 1991
UR  - https://ntrs.nasa.gov/citations/20040121761
ID  - 20040121761
ER  -