000 00297nam a2200121Ia 4500
001 155873
008 170722s9999 xx 000 0 und d
245 _aRegulation by contract /
260 _bWorlbank ,
_c2003.
490 _aWorldbank working paper no 4
653 _aElectricity
942 _cGEN
999 _c175113
_d175113