00265nam a2200109Ia 450000500170000000800410001708200150005810000130007324500310008626000300011730000080014720260224041001.0260224s9999||||xx |||||||||||||| ||und||  a631.43 LAL  aLal, R.  0aPrinciples of soil physics  aNew York: M. Dekkerc2004  a716