TY  - BOOK
AU  - Ahlberg,Per Erik
TI  - Major events in early vertebrate evolution: palaeontology, phylogeny, genetics and development 
T2  - The Systematics Association special volume series
SN  - 0415233704 (papel alcalino)
AV  - QL607.5 M33
U1  - 596.13/8 21
PY  - 2001///
CY  - London
PB  - Taylor & Francis
KW  - Vertebrados
KW  - Evolución
ER  -