TY  - BOOK
AU  - Marshall,A.J.
AU  - Williams,W.D.
TI  - Textbook of zoology volume 1: invertebrates 
SN  - 8174730311 :
AV  - QL362 .T49 1995
PY  - 1995///
CY  - Krishan Nagar, Delhi
PB  - A. I. T. B. S.
KW  - Invertebrates
KW  - Zoology
N1  - This is the seventh edition of A Textbook of Zoology, vol. 1 by T. Jeffrey Parker and William A. Haswell
ER  -