000			00343nam a2200133Ia 4500
008			140317s9999 xx 000 0 und d
082			_a628.1
100			_aHimmelblau,D.M.
245			_aOptimal expansion of a water resource system.
260			_aN.Y. _bAcademic Press. _c1974
300			_a273
700			_aO Laoghaire,D.T.
942			_2ddc _cBK
999			_c8943 _d8943