000 00276nam a2200121Ia 4500
008 180721s9999 xx 000 0 und d
100 _aR.C.MANDAL
245 0 _aPOTASSIUM IN FIELD CROPSANDHORTICULTURE
260 _bNil
260 _c1990
365 _b160.00
942 _cBK
999 _c161631
_d161631