000 00293nam a2200121Ia 4500
008 221219s9999 xx 000 0 und d
100 _aAshok D Kadlag
245 0 _aObjective Soil Science 
260 _bDaya Publishing Hous
650 _aSoil Science
700 _aB B Singh
942 _cBK
999 _c2404
_d2404