TY  - BOOK
AU  - Marshall, A J
TI  - Text Book of Zoology Invertbrates
U1  - 592 
PY  - 1978///
CY  - New Delhi
PB  - Macmillion
KW  - General Stack
KW  - Natural Science & mathematics
KW  - Animals (Zoology)
KW  - InvertebratesZoology
ER  -