TY  - BOOK
AU  - Singer Hans W
AU  -  Ansari Javed A
TI  - Rich and poor countries
T2  - Studies in Economics Ed by Charles Carter No.12
U1  - X.1(X).N7, L7 
PY  - 1977///
CY  - London
PB  - George Allen & Unwin       
KW  - Economic Condition Developing Countries
ER  -