TY  - BOOK
AU  - COHEN G A
TI  - Karl Marx's theory of history :  A defence   
SN  - 0691020086
U1  - X:3M24xM18:g, L8/SC 
PY  - 1978///
CY  - Princeton
PB  - Princeton uinversity press        
N1  - Appendix :326-353p
ER  -