000 00454nam a2200169Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a631.45
_bAy985
100 _aAyres Q C
245 _aSoil erosion and its control
260 _aNew York
_bMcGraw-Hill
_c1936
300 _axi,365p.
440 _aMcGraw-Hill Publications in Agricultural Engineering
650 _aSoil conservation
942 _cBK
999 _c103076
_d103076