00434nam a2200145Ia 4500008004100000020001600041082001600057100001500073245006800088260003900156300000800195650004100203650003400244653001000278170901s1996 xx 000 0 und d a812723169 X a631.4bS27I aSehgal, J. 0aIntroductory PedologybSoil, Genesis, Survey And Classification aLudhianabKalyani Publishersc1996 a298 aAgriculture and related technologies aTechnology (Applied sciences) aSoils