000 00384nam a2200157Ia 4500
999 _c6407
_d6407
020 _a8171640125
082 _a631.4
_bMEH/TE
100 _aMehra, R K
245 _aTextbook of soil science
260 _aNew Delhi
_bICAR
_c2004
300 _a456p.
546 _aEnglish
650 _aSoil and environmental pollution
650 _aWeathering of rocks and minerals
942 _2ddc
_cBK