00431nam a2200145Ia 4500008004100000020001500041082001600056100001400072245006700086260003900153300000800192650004100200650003400241653001000275170901s1996    xx            000 0 und d  a812723169X  a631.4bS27I  aSehgal, J 0aIntroductory PedologybSoil Genesis, Survey and Classification  aLudhianabKalyani Publishersc1996  a298  aAgriculture and related technologies  aTechnology (Applied sciences)  aSoils