000 00486nam a2200145Ia 4500
008 100324s9999 xx 000 0 und d
020 _a0-8213-5671-2
100 _aUm, Paul Noumba ; Gille, Laurent ; Simon, Lucile ;
245 _aA model for calculating interconnection costs in telecommunication
260 _c2004
_bWorld Bank
_aWashington DC
366 _b2004
541 _gWB Depository
650 _aService Sector Management
942 _cBK
999 _c87606
_d87606