TY  - BOOK
AU  - Hirst, Paul Q
AU  -  : 50 key milestones you really need to know
TI  - Social evolution and sociological categories
SN  - 9780415572996
U1  - 300.1 
PY  - 2010///
CY  - New York
PB  - Routledge
KW  - Social evolution
KW  - Social sciences
ER  -