000 00332nam a2200133Ia 4500
008 220216s9999 xx 000 0 und d
100 _aLindley P B
245 0 _aNR springs - better without black ?
260 _bRubber Developments
_c1968
300 _a108-110
650 _aCarbon black
650 _aRubber spring
942 _cJS
999 _c64193
_d64193