000			00361nam a2200145Ia 4500
008			140317s9999 xx 000 0 und d
082			_a551.48
100			_aUnesco.
245			_aLand subsidence: proc. of the Tokyo symp. Sept.1969. Vol II
260			_aParis _bUnesco _c1970
300			_a660
650			_aHydrology
653			_aHydrology
942			_2ddc _cBK
999			_c5447 _d5447