TY  - BOOK
AU  - Barker,Graeme
TI  - The cambridge world history vol.2:  a world with agriculture 12000 BCE -500CE
SN  - 978-0-521-19218-7
AV  - ARC D20.C195 
PY  - 2015///
CY  - Cambridge
PB  - Cambridge University Press
KW  - World history
ER  -