000 00298nam a2200121Ia 4500
008 220216s9999 xx 000 0 und d
100 _aLever A E
245 0 _aProperties and applications of ebonite
260 _bRubber Developments
_c1955
300 _a120-125
650 _aEbonite
942 _cJS
999 _c65962
_d65962