00347nam a2200109Ia 4500008004100000082001100041082000800052245009000060245003900150260003900189300000900228231017s9999    xx            000 0 und d  a661.41  bDUV 0aSize exclusion chromatography and ion exchange chromatography separations of asphalts 0cStrategic highway research program  bStrategic highway research program  c30cm