TY  - BOOK
AU  - Kolbert, Elizabeth.
TI  - The Sixth Extinction: An Unnatural History 
SN  - 9789385436024
U1  - 575.7 
PY  - 2015///
CY  - New Delhi
PB  - Bllomsbury Publishing India Pvt. Ltd.
KW  - Botany
KW  - Zoology
ER  -