TY  - BOOK
AU  - Leakey,Richard E.
AU  - Lewin,Roger
TI  - The sixth extinction: patterns of life and the future of humankind 
SN  - 0385468091
AV  - GF75 .L425 1995
PY  - 1995///
CY  - N. Y.
PB  - Anchor books inc.
KW  - Nature
KW  - Effect of human beings on
KW  - Evolution (Biology)
KW  - Extinction (Biology)
N1  - Originally published: New York : Doubleday, 1995; Includes bibliographical references (pages [255]-262) and index
ER  -