000 00392nam a2200145Ia 4500
008 220216s9999 xx 000 0 und d
100 _aBolle-Jones E W
245 0 _aZinc : Effects on the growth and composition of Hevea
260 _bJournal of the Rubber Research Institute of Malaya
_c1957
300 _a159-167
650 _aGrowth
650 _aHevea
650 _aZinc
942 _cJS
999 _c72600
_d72600