000 00527nam a2200145Ia 4500
008 100324s9999 xx 000 0 und d
100 _aFeenstra,Robert; Kee, Hiau Loo
245 _aOn the measurement of product variety in trade
260 _c2004
_bWorld Bank
_aWashington DC
300 _bSee WB 382.4 FEE (Includes Acc. Nos. 28536, 28546, 27388, 28720 & 28804)
_a11
366 _b2004
541 _gWorld Bank Depository
650 _aInternational Trade
942 _cBK
999 _c88954
_d88954