000 00377nam a2200157Ia 4500
008 220216s9999 xx 000 0 und d
100 _aHelt W F
245 0 _aPost vulcanization stabilization for NR
260 _bRubber World
_c1991
300 _aP 18-24
650 _aNatural rubber
650 _aVulcanization
700 _aParis W W
700 _aTo B H
942 _cJS
999 _c65358
_d65358