00331nam a2200097Ia 4500008004100000082001600041100001800057245010500075260004500180300000800225140113s9999    xx            000 0 und d  a631.21   H9  a"Puri, A.N. "  aSoils their physics and chemistry : modern treatment of the structure & chemical behaviour of soils.  a1949bReinhold Pub.CorporationcNew York  a550