00293nam a2200109Ia 4500008004100000082001200041082000800053245007300061245002000134260002000154300000900174231017s9999    xx            000 0 und d  a620.136  bKAS 0a"Synthetic Lightweight Aggregate for Highway Construction, Jul 2001" 0cMohsem G. Kashi  bMohsem G. Kashi  c30cm