000			00380nam a2200133Ia 4500
008			220216s9999 xx 000 0 und d
100			_aKarunaratne S W
245		0	_aNatural rubber (NR) as an insulating material
260			_bRubber Research Institute of Sri Lanka Bulletin _c1978
300			_a15-16
650			_aInsulating material
650			_aNatural rubber
942			_cJS
999			_c63452 _d63452