000 00276nam a2200097Ia 4500
008 191031s9999 xx 000 0 und d
100 _aVeeraraghavan.B
245 0 _aStudy on the Dynamics of Pottassium in Soils of Madurai District (Tamil Nadu)
260 _c1983
942 _cBK
999 _c212191
_d212191