TY  - BOOK
AU  - ADRIAANSEN Willem L M Ed.
AU  -  WAARDENBURG J George Ed.
TI  - Dual world economy :  Forty years of development experience   
SN  - 900103815
U1  - X:77, M9/SC 
PY  - 1989///
CY  - S.l.
PB  - Wolters-Noordh of publishers        
ER  -