00465nam a2200169Ia 4500008004100000020001500041082001600056100001900072245003500091260004200126300000800168650004100176650003400217653001000251700001600261700001800277170901s1978    xx            000 0 und d  a0471995304  a631.4bE67M  aEmerson, W. W. 0aModification of Soil Structure  aChichesterbJohn Wiley and Sonsc1978  a438  aAgriculture and related technologies  aTechnology (Applied sciences)  aSoils  aBond, R. D.  aDexter, A. R.