00431nam a2200145Ia 4500008004100000020001500041082001600056100001600072245006400088260004000152300000800192650004100200650003400241653001000275170901s1979    xx            000 0 und d  a0470267178  a631.4bW41I  aWhite, R.E. 0aIntroduction to the Principles and Practice of Soil Science  aNew YorkbJohn Wiley and Sonsc1979  a198  aAgriculture and related technologies  aTechnology (Applied sciences)  aSoils