000 00286nam a2200121Ia 4500
008 161118s2016 xx 000 0 und d
082 _a631.84 IPI-I
100 _aMesurement Of Soils Potassium
245 0 _aIPI Research Topics No.4
260 _c1979
300 _a48p.
942 _2ddc
999 _c14171
_d14171