000 00456nam a2200145 a 4500
005 20220228110528.0
035 _aF8901000703690
084 _aHRB REC 186 1967
245 _aCoding techniques. 3 reports / Highway Research Board
260 _aWashington, D.C. : HRB
300 _a37 p.
440 _aRecord ; 186 / Highway Research Board
690 _aCarreteras - Signos y seƱales.
710 _aNational Research Council. Highway Research Board (E.U.A.)
999 _c55231
_d55231