000 00486nam a2200145 a 4500
005 20220228110531.0
035 _aF8901000703923
084 _aHRB REC 431 1973
245 _aSoil mechanics : Design, 6 reports / Highway Research Board-.
260 _aWashington, D.C. : HRB
300 _a61 p.
440 _aRecord ; 431 / Highway Research Board
690 _aPavimentos - Pruebas.Materiales bituminosos - Pruebas.
710 _aE.U.A. National Research Council. Highway Research Board.
999 _c55456
_d55456