000			00358nam a2200145Ia 4500
008			140317s9999 xx 000 0 und d
082			_a551.4
100			_aSchumm,S.A.
245		4	_aThe flurial system.
260			_aN.Y. _bJohn Wiley , Sons _c1977
300			_a338
650			_aScience of the Earth.
653			_aScience of the Earth.
942			_2ddc _cBK
999			_c8137 _d8137