000			00375nam a2200145Ia 4500
008			140317s9999 xx 000 0 und d
082			_a551.48
100			_aUNESCO.
245			_aHydrology of fractured rocks-Proc. of the Dubrovnik symp. Oct.1965.Vol II
260			_aParis _bUnesco _c1967
300			_a689
650			_aHydrology
653			_aHydrology
942			_2ddc _cBK
999			_c4969 _d4969