000 002780000a22001090004500
245 _aSoil compaction and corrugations - 6 reports
110 _aHighway Research Board,
260 _aWashington
_bHRB
_c1973
080 _a625.7:624.131.438
_bH5
041 _aEN
942 _cBK
999 _c112055
_d112055