000			00371nam a2200145Ia 4500
008			170101s1991 xx 000 0 und d
082			_a631.4 G28S
100			_aGhildyal, B.P.
245		0	_aSoil structure problems and management
260			_aNew Delhi _bICAR _c1991
300			_a25cm. 58
650			_aSOIL STRUCTURE
653			_aSOIL STRUCTURE
942			_2ddc _cB
999			_c111327 _d111327