00461nam a2200157Ia 4500008004100000020001500041082001600056100001600072245006400088250000600152260005200158300000800210650004100218650003400259653001000293170901s1979    xx            000 0 und d  a063201606x  a631.4bW41I  aWhite, R.E. 0aIntroduction to the Principles and Practice of Soil Science  a2  aOxfordbBlackwell Scientific Publicationsc1979  a244  aAgriculture and related technologies  aTechnology (Applied sciences)  aSoils