000			00407nam a2200145Ia 4500
008			170101s1969 xx 000 0 und d
082			_a552.501 8 B72M
100			_aBOUMA, Arnold H
245		0	_aMethods for the study of sedimentary structures.
260			_bN.Y. _c1969
300			_a458p
650			_aROCKS, SEDIMENTARY -- METHODOLOGY
653			_aROCKS, SEDIMENTARY -- METHODOLOGY
942			_2ddc _cB
999			_c33375 _d33375