TY  - BOOK
AU  - Clark R B
TI  - Dynamics in metazoan evolution: the origin of the coelom and segments
U1  - 592.138 
PY  - 1964///
CY  - Oxford
PB  - Clarendon Press
KW  - Animal locomotion
KW  - Evolution
KW  - Invertebrates
KW  - Metazoa
ER  -