TY  - GEN
AU  - Ruppert, Edward E.
AU  - Fox, Richard S.
AU  - Barnes, Robert D.
TI  - Invertebrate zoology: a functional evolutionary approach - 7th ed
SN  - 9788131501047 (pb)
U1  - 592 RUP/Inv 
PY  - 2004///
CY  - Delhi
PB  - Cengage Learning India Pvt. Ltd.
KW  - Porifera and placozoa
KW  - Mollusca
N1  - Includes phylogeny of chordata, references and index
ER  -