000 00288nam a2200097Ia 4500
008 220204s9999 xx 000 0 und d
082 _aNR:041955
_bIRS;1
245 0 _aInternational rubber study group summaries of the 12th proceedings of the meetings
260 _aLondon
_bIRSG
942 _cBK
999 _c19941
_d19941