00296nam a2200097Ia 4500008004100000082002000041100002400061245006500085260004000150300000800190140113s9999    xx            000 0 und d  a631.442:55   L2  a"Hunt, Charles. B."  a"Geology of Soil :Their evolution, classification and uses."  a1972bFreeman & Co.cSan Franscisco  a344