United Nations development programme - UNDP-/ECE tans-european-north-south motorway project - Progressreport. Note by the secretariat of the Working Party on Road Transport.

1980-01-302020-05-202022-11-252020-05-202022-11-251977https://orlis.difu.de/handle/difu/432196AutobahnplanungUnited Nations development programme - UNDP-/ECE tans-european-north-south motorway project - Progressreport. Note by the secretariat of the Working Party on Road Transport.Graue Literatur006362