TY  - BOOK
AU  - ADRIAANSEN Willen L M Ed.
AU  -  WAARDENBURG J George Ed.
TI  - Dual world economy :  Fourty year of development exprience   
SN  - 9001030815
U1  - X:77, M9/SC 
PY  - 1989///
CY  - Rotterdum
PB  - Rotterdum university         
ER  -