000 00376nam a2200133Ia 4500
008 100324s9999 xx 000 0 und d
100 _aBalassa B
245 _aTrends in developing countries exports 1963-88
260 _c1991
_bWorld Bank
_aWashington DC
366 _b1991
650 _aTRADE
942 _cBK
999 _c73974
_d73974