TY  - BOOK
AU  - Clarkson,  E.N.K.
TI  - Invertebrate Palaeontology and Evolution
SN  - 9.7881265331e+012
U1  - 562 
PY  - 1998///
CY  - USA: 
PB  - Blackwell Science, 
KW  - Bryozoans
KW  - Earth Science
KW  - Palaeontology
KW  - Sponges
ER  -