Report of the Group of Experts on Transport Economics on its 6th session, 13-15 October 1986.
1986
详细记录
符号[E/ECE/]TRANS/GE.37/12
标题Report of the Group of Experts on Transport Economics on its 6th session, 13-15 October 1986.
日期Geneva : UN, 31 Oct. 1986.
描述
10 p.