000 00450nam a2200145Ia 4500
008 100324s9999 xx 000 0 und d
100 _aKerf M et al
245 _aConcession for infrastructure : a guide to their design and award
260 _c1998
_bWorld Bank
_aWashington DC
300 _ax, 132p.
366 _b1998
541 _gGratis
650 _aInfrastructure Economics
942 _cBK
999 _c80733
_d80733