00295nam a2200097Ia 4500008004100000020001500041082002300056100001900079245006800098260003100166220204s9999    xx            000 0 und d  a185957260X  aNR:62:678.019bBRO  aBrown, Roger P 0aPractical guide to the assessment of the useful life of rubbers  aUKbRAPRA Technologyc2001