TY  - GEN
AU  - Gaskell, Walter Holbrook
TI  - The Origin of Vertebrates
SN  - 9788180942358
U1  - 596 GAS/Ori 
PY  - 2016///
CY  - Chennai
PB  - MJP Publishers
KW  - Vertebrates
KW  - Zoology
N1  - Includes bibliographical references
ER  -