000 00354nam a2200121Ia 4500
008 140208s9999 xx 000 0 und d
044 _aSwitzerland
100 _aInternational Potash Institute
245 _aPotassium potasio Kalium Symposium. 1957
_c
260 _bInternational Potash Institute
_aBerne
_c1957
300 _a420 p.; 23cm.
942 _2udc
_cSR
999 _c2503
_d2503