000 00375nam a2200133Ia 4500
008 220214s9999 xx 000 0 und d
100 _aDerham CJ
245 0 _aSome factors affecting the service life of natural rubber articles
260 _bNatural Rubber Conference, 1968, Kuala lumpur
_c1968
300 _a9p
700 _a
_ALake GJ
700 _aThomas AG
942 _cRE
999 _c46473
_d46473