TY  - BOOK
AU  - Kolbert,Elizabeth
TI  - The sixth extinction: an unnatural history  
SN  - 9780805092998
AV  - QE721.2.E97 K65 2014
U1  - 576.8/4 23
PY  - 2014///]
CY  - New York
PB  - Henry Holt and Co.
KW  - Mass extinctions
KW  - Extinction (Biology)
KW  - Environmental disasters
KW  - SCIENCE / Environmental Science
KW  - bisacsh
KW  - SCIENCE / Life Sciences / Evolution
N1  - Includes bibliographical references and index
ER  -