00271nam a2200109Ia 4500008004100000082001000041082000800051245006900059245001200128260001200140300000900152231017s9999    xx            000 0 und d  a620.5  bDES 0aDesign and Construction of Shale Embankments: Summary - Apr 1980 0cUS Dept  bUS Dept  c30cm