000 00453nam a2200145 a 4500
005 20220228110525.0
035 _aF8901000703488
084 _aHRB REC 6 1963
245 _aTraffic assignment. 4 reports / Highway Research Board.
260 _aWashington, D.C. : HRB
300 _a75 p.
440 _aRecord ; 6 / Highway Research Board
690 _aTránsito - Signos y señales.
710 _aNational Research Council. Highway Research Board (E.U.A.)
999 _c55057
_d55057