00447nam a2200145Ia 4500008004100000010001200041020001800053040001700071082002300088100002200111245008800133260002600221300001400247650004000261190328s9999||||xx |||||||||||||| ||und||  a81-3683  a0-582-30043-6  aNITILcNITIL  221sta551.1bW726S  aWilliams, Peter J 4aThe Surface of the earthban introduction to geotechnical sciencecPeter J Williams  aLondonbLongmanc1982  axi, 212p.  aEarth sciences; Engineering geology