TY  - BOOK
AU  - Srivastava M.D.L. 
TI  - Textbook invertebrate zoology
U1  - 592 SRI S 
PY  - 1966///.
CY  - Allahabad : 
PB  - Central Book Depot
KW  - Phylum protozoa
KW  - Annelida
N1  - Index
ER  -