000 00386nam a2200157Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a631.45
_bG982
100 _aGustafson A F
245 _aConservation of the soil
260 _aNew York
_bMcGraw-Hill
_c1937
300 _axvii,312p.
650 _aSoil conservation
942 _cBK
999 _c103306
_d103306