000 00321nam a2200121Ia 4500
008 241228s9999 xx 000 0 und d
100 _aS.P. Singh
245 0 _aTechnical manual on soil survey and soil profile description
260 _bNarendra publishing house
650 _aSoil Science
942 _2ddc
942 _cBK
999 _c4243
_d4243