000 00284nam a2200121Ia 4500
008 221219s9999 xx 000 0 und d
100 _aT.D.Biswas
245 0 _aTextbook of Soil Science
260 _bMacGraw Hill
650 _aSoil science
700 _aS.K.Mukharjee
942 _cBK
999 _c2047
_d2047