TY  - BOOK
AU  - HASWELL, William A.
AU  - PARKER
TI  - TEXTBOOK OF ZOOLOGY, Volume I: INVERTEBRATES
SN  - 81 239 0035 X
U1  - 592 
PY  - 1992///
CY  - New Delhi
PB  - C.B.S. Publishers and Distrbutors, New Delhi 
ER  -