TY  - BOOK
AU  - Gurley John G
TI  - Challengers to capitalism :  Marx, Lenin, Stalin and Mao
U1  - X:3M24xM18:g, L5 
PY  - 1975///
CY  - New York
PB  - W. W. Norton and Company U. S.
KW  - ECONOMICS
ER  -