Some problems of construction and maintenance of motor roads in arid zones.
1979
详细记录
符号E/ESCAP/STC/3/37
标题Some problems of construction and maintenance of motor roads in arid zones.
议程信息
E/ESCAP/STC/3/L.1 14 Consideration of activities in the field of highways and highway transport.
日期Bangkok : UN, 12 Dec. 1979.
描述
[30] p., including annexes : figures, table.