00277nam a2200109Ia 4500008004100000082001300041082000800054245005000062245002300112260002300135300000900158231017s9999    xx            000 0 und d  a624.1834  bLAM 0aDesign of durable concrete railroad crossings 0cAnthony J. Lamanna  bAnthony J. Lamanna  c30cm