000			00261nam a2200097 4500
999			_c335166 _d335166
082			_a552.5 _bPET.A
100			_aPettijohn F.J.
245			_aAtlas and glossary of primary sedimentary structures _cPettijohn F.J.
260			_aNewYork _c1964 _bSpringer
942			_cBK