000 00479nam a2200145 a 4500
005 20220228110528.0
035 _aF8901000703739
084 _aHRB REC 234 1968
245 _aInternational transportation topics, 4 reports / Highway Re-search Board.
260 _aWashington, D.C. : HRB
300 _a43 p.
440 _aRecord ; 234 / Highway Research Board
690 _aAeropuertos - Control de trĂ¡nsito.
710 _aE.U.A. National Research Council. Highway Research Board.
999 _c55276
_d55276