TY  - BOOK
AU  - Symposium on the Origin of Major Invertebrate Groups, Univer
TI  - Origin of major invertebrate groups : Proceedings
U1  - 592.038 S99O 
PY  - 1979///
CY  - London
PB  - Academic Pr.
KW  - INVERTEBRATES -- EVOLUTION -- CONGRESSES
KW  - PHYLOGENY -- CONGRESSES
ER  -