000			00391nam a2200133Ia 4500
008			220216s9999 xx 000 0 und d
100			_aFernando D M
245		0	_aProblems of achieving agricultural production potentials in rubber
260			_bRubber Research Institute of Ceylon Bulletin _c1967
300			_a62-65
650			_aAgricultural production
650			_aRubber
942			_cJS
999			_c65727 _d65727