00283nam a2200109Ia 4500008004100000082001100041082000800052245006800060245001800128260001800146300000900164231017s9999    xx            000 0 und d  a625.85  bELL 0aMechanistic Design Concepts for Conventional Flexible Pavements 0cM.R. Thompson  bM.R. Thompson  c30cm