TY  - BOOK
AU  - Gellner,Ernest
TI  - Plough, sword, and book: the structure of human history 
SN  - 0226287025
U1  - 900 22 (machine generated)
PY  - 1988///
CY  - Chicago
PB  - University of Chicago Press
KW  - Historia
KW  - sao
KW  - History
ER  -