00298nam a2200121Ia 4500008004100000041000800041082001800049100001400067245004000081250001000121260003700131300000800168211209s1955    xx            000 0 und d  aeng  a629.2 N55 DAG  aDAGGESS S  aPRINCIPLES OF INLAND TRANSPORATION   a4 ed.  aNEW YORKbHARPER AND BROWNc1955  a808