000 00434nam a2200145Ia 4500
008 220216s9999 xx 000 0 und d
100 _aTillekeratne L M K
245 0 _aNatural rubber: A more safer material than synthetic rubber
260 _bBulletin of the Rubber Research Institute of Sri Lanka
_c1997
300 _a6-Jan
650 _aNatural rubber
650 _aSynthetic rubber
700 _ade Silva Karnika
942 _cJS
999 _c63662
_d63662