000			00413nam a2200133Ia 4500
008			220216s9999 xx 000 0 und d
100			_aThomas P O
245		0	_aSome aspects of competition between natural and synthetic rubber
260			_bProceedings of the RRIM Planters Conference, Kuala Lumpur, 1973; p50-58
650			_aNatural rubber
650			_aSynthetic rubber
700			_aAllen P W
942			_cJS
999			_c68918 _d68918