000 00303 a2200121 4500
080 _a546.32(063)
_bI 61 J
245 1 _aJapanese potassium
_bPapers
260 _aTokyo
_bInternational Potash Institute
_c1957
650 _aJapanese Potassium Symposium
100 _a
_d
300 _a137 p.
901 _a64034
999 _c26874
_d26874