TY  - BOOK
AU  - Schwartz Jeffrey H
TI  - Sudden origins: fossils, genes, and the emergence of species
SN  - 978-0-471-32985-5
U1  - 576.8 
PY  - 1999///
CY  - New York
PB  - John Wiley
KW  - Evolution (Biology)
KW  - Fossils
KW  - Homeobox genes
ER  -