000 00342nam a2200121Ia 4500
008 220214s9999 xx 000 0 und d
100 _aSzatkowski W
245 0 _aEstimation of the total and effective rubber contents of rubber-bitumens
260 _bJournal of Applied Chemistry
_c1963
300 _a64-69
650 _aBitumen
942 _cRE
999 _c45486
_d45486