TY  - BOOK
AU  - Ruppert,Edward E.
AU  - Fox,Richard S.
AU  - Barnes,Robert D.
TI  - Invertebrate Zoology: A functional evolutionary approach 
SN  - 9788131501047
U1  - 592  23
PY  - 2004///
CY  - South-Western
PB  - Cengage Learning
ER  -