00373nam a2200133Ia 4500008004100000082001600041100002300057245002600080260004000106300000800146650004100154650003400195653001000229170901s1986    xx            000 0 und d  a631.4bS19I  aSehgal, Jawahar L. 0aIntroductory Pedology  aNew DelhibKalyani Publishersc1986  a287  aAgriculture and related technologies  aTechnology (Applied sciences)  aSoils