000 00310nam a2200121Ia 4500
008 220216s9999 xx 000 0 und d
100 _aFrith G A
245 0 _aNatural rubber thread for a firm foundation
260 _bRubber Developments
_c1965
300 _a124-129
650 _aNatural rubber
942 _cJS
999 _c63645
_d63645