Statistics on length of roads and expenditures on roads : note / by the Secretariat.
1988
详细记录
符号[E/ECE/]TRANS/WP6/R.12
[E/ECE/]CES/AC.62/26
[E/ECE/]CES/AC.62/26
标题Statistics on length of roads and expenditures on roads : note / by the Secretariat.
日期Geneva : UN, 22 Sept. 1988.
描述
3 p. : table
备注
Includes pilot questionnaire.