TY  - BOOK
AU  - Williams,George C.
TI  - Natural selection: domains, levels, and challenges 
T2  - Oxford series in ecology and evolution
SN  - 0195069323 (acid-free paper)
AV  - QH375 .W52 1992
U1  - 577.01/62 20
PY  - 1992///
CY  - New York
PB  - Oxford University Press
KW  - Natural selection
N1  - Includes bibliographical references (p. [154]-189) and index
UR  - http://www.loc.gov/catdir/enhancements/fy0602/91 038938-d.html
UR  - http://www.loc.gov/catdir/enhancements/fy0602/91 038938-t.html
ER  -