000 00342nam a2200145Ia 4500
008 140306s9999 xx 000 0 und d
082 _a631.4
_bSO
100 _aChildyal, B.P
700 _aGupta, R.P
245 _aSoil Structure; Problems & Management
400 _bICAR
440 _a2002
650 _asoil Science
942 _2ddc
_cBK
999 _c104317
_d104317