000 00343nam a2200133Ia 4500
008 180413s9999 xx 000 0 und d
020 _a925101342X (Pbk)
100 _aKelley H W
245 0 _aKeeping The Land Alive Soil Erosion Its Causes And Cures
260 _bRome : Fao 1983.
300 _a79
546 _aEng
690 _aSoil Erosion.
999 _c18600
_d18600