TY  - BOOK
AU  - UNITED NATIONS, INTERNATIONAL ECONOMIC AND SOCIAL AFFAIRS (Departments of--)
ED  - UNITED NATIONS, INTERNATIONAL ECONOMIC AND SOCIAL AFFAIRS (Departments of--)
TI  - Model survey of Computer services
U1  - V1N45,93:3.N92, N2/UN 
PY  - 1991///
CY  - New York
PB  - United Nations        
N1  - Statistics papers series M, no. 81
ER  -