000			00387nam a2200145Ia 4500
008			140317s9999 xx 000 0 und d
082			_a551.48
100			_aUnesco.
245		4	_aThe use of analog and digital computers in hydrology: proc. of the Tucson symp. Vol 2
260			_aParis _bUnesco _c1969
300			_a755
650			_aHydrology
653			_aHydrology
942			_2ddc _cBK
999			_c4971 _d4971