000 002800000a22001210004500
008 140223b1988 xxu||||| |||| 00| 0 eng d
041 _aEnglish
100 _a:ESA
245 _aMODELLING OF WORLD ECONOMIC DEVELOPMENT
260 _aNY
_bUN
_c1988
650 _a
_a
906 _a:UN
999 _c138220
_d138220