00293nam a2200109Ia 4500008004100000082001200041082000800053245007500061245001900136260001900155300000900174231017s9999    xx            000 0 und d  a620.136  bSCH 0aAbrasion-Resistant Concrete Mix Designs for Precast Bridge Deck Panels 0cTodd V. Scholz  bTodd V. Scholz  c30cm