TY  - BOOK
AU  - AIYENGAR, N.K.N.
AU  - PRASAD, K.N.
TI  - INTRODUCTION TO INVERTEBRATE PALEONTOLOGY
SN  - 0 7069 9908 8
U1  - 562 
PY  - 1996///
CY  - Meerut
PB  - Kedar Nath Ram Nath, Meerut 
ER  -