000 00323nam a2200133Ia 4500
008 211101s2008 xx 000 0 eng d
020 _a9788173335151
082 _a631.51 D 2601 T
100 _aDas N.R.
245 0 _aTillage and Crop Production
260 _bScientific Publishers
_c2008
300 _a292
942 _2ddc
_cBK
999 _c350
_d350