000 00387nam a2200157Ia 4500
008 170101s1993 xx 000 0 und d
082 _a631.45 T78S
100 _aTRIPATHI, R.P
245 0 _aSoil erosion and conservation
260 _bNew Delhi
_c1993
300 _a305p
650 _aSOIL CONSERVATION
653 _aSOIL CONSERVATION
653 _aSOIL EROSION
942 _2ddc
_cB
999 _c113967
_d113967