TY  - BOOK
AU  - Aiyengar,N.K.N., Prassad K.N.
AU  - x
TI  - An introduction to invertebrate palaeontology: x
SN  - x
U1  - 560/A311i 
PY  - 1995///
CY  - New Delhi
PB  - Vikas
KW  - Fossils / Invertebrates
KW  - Zoology
N1  - Includes
ER  -