00478nam a2200157Ia 4500008004100000082001900041100002000060245002300080260003100103300001000134600001800144650003500162942000700197952009900204999001700303140224s9999 xx 000 0 und d a631.459' 61 M6 aHudson, Norman. aSoil conservation/ aLondonbB.T.Batsfordc1986 a324p. aNorman Hudson aSoil science,Soil Conservation cBK 00104070aKSDbKSDd2014-02-24l0o631.459' 61 M6p4691r2014-02-24 00:00:00w2014-02-24yBK c95890d95890