000 00291nam a2200121Ia 4500
008 221219s9999 xx 000 0 und d
100 _aR.Suresh
245 0 _aSoil & Water Conservation Engineering
250 _a2nd
260 _bStanderd Publisher
650 _aSoil science
942 _cBK
999 _c1993
_d1993