TY  - BOOK
AU  - Landheer B
TI  - Role of knowledge and the world system
SN  - 90 232 1189 8
U1  - R2, L4 
PY  - 1974///
CY  - Netherlands
PB  - Van Gorcum         
KW  -  Philosophy
KW  - Epistemology
N1  - Bibliography: P 89-90
ER  -