TY  - RPRT
TI  - Numerical experiments with model monophyletic and paraphyletic taxa
AU  - Sepkoski, J. J. Jr
AU  - Kendrick, D. C.
AU  - Sepkoski JJ, J. r.
PY  - 1993
UR  - https://ntrs.nasa.gov/citations/20040121517
ID  - 20040121517
ER  -