000 00493nam a2200145 a 4500
005 20220228110529.0
035 _aF8901000703775
084 _aHRB REC 271 1969
245 _aPlanning : Conservation of the physical environment, 5 repo-rts / Highway Research Board.
260 _aWashington, D.C. : HRB
300 _a47 p.
440 _aRecord ; 271 / Highway Research Board
690 _aTransporte urbano - Planeamiento.
710 _aE.U.A. National Research Council. Highway Research Board.
999 _c55311
_d55311