TY  - BOOK
AU  - Darwin,Charles
TI  - The origin of species: by means of natural selection, or the  Preservation of Favoured Races in the  Struggle for Life 
SN  - 9780553214635
AV  - QH365 .D37 2009
PY  - 2009///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Evolution (Biology)
KW  - Natural selection
N1  - Includes index; Environmental Science & Management
UR  - http://opac.northsouth.edu/cgi-bin/koha/opac-retrieve-file.pl?id=5fe128a430e8ab6b5989d70e6e1b7a33
ER  -