Census of traffic on main international traffic arteriers, 1955 - Recensement de la circulation sur les grandes routes de circulation internationale, 1955 : map 1-7

Single window at community level : working document ; Brussels, 20 February 2006

Linington, Gordon, (2007)

Environmental conventions : elaborated under the auspices of the United Nations Economic Commission for Europe, Geneva

(1994)

Proceedings / European Population Conference : 23 - 26 March 1993, Geneva, Switzerland

(1994)