TY  - GEN
AU  - Rita, Grover
TI  - Textbook of paleontology
SN  - 9789382126744
U1  - 560 
PY  - 2016///
CY  - New Delhi : 
PB  - Astha Publishers & Distributors, 
KW  - Fossils
KW  - Mollusca
KW  - Cambrian era
KW  - Palebotany
N1  - It includes bibliographical  reference and index
ER  -