000 00270nam a2200121Ia 4500
008 161121s9999 xx 000 0 und d
100 _aANBUMOZHI.V
245 0 _aSoil compaction in agricultural land dev
260 _cNIL
365 _b0
650 _aNIL
942 _cBK
999 _c97468
_d97468