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Toepassing van de methode der steekproven in ruimte en tijd bij de statistiek van het goederenvervoer over de weg in Nederland : samengesteld door het Central Bureau voor de Statistiek te den Haag
(1964)
Review of the comments submitted by the governments of the region on the draft convention on road signs and signals : (E/3999) ; report by the Secretariat ; United Nations ; Economic and Social Council ; Economic Commission for Asia and the Far East ; Inland Transport and Communications Committee ; Highways and Highway Transport Sub-Committee
(1967)
Manual on ancillary services along highways : United Nations ; Economic and Social Council ; Economic Commission for Asia and the Far East ; Inland Transport and Communications Committee ; Highways and Highways Transport Sub-Committee