000 00327nam a2200121Ia 4500
008 100324s9999 xx 000 0 und d
100 _aMahmood, K
245 _aReservoir sedimentation
260 _bWorld Bank
_aWashington DC
541 _gGratis
650 _aAccounting
942 _cBK
999 _c71172
_d71172