TY  - BOOK
AU  - Wallerstein Immanuel
TI  - Uncertainties of Knowledge
T2  - Politics ,History and Social Change
SN  - 159213243X
U1  - Eb4, P4 
PY  - 2004///
CY  - Philadelphia
PB  - Temple University Press        
KW  - Social Sciences Research Methodology
N1  - Bibliography P 199-205
ER  -