Question I earthworks, drainage, subgrade : XVII World Road Congress, Sydney Australia, 8-15 October 1983.
- [s. l.] : [s. n.], 1983
- 45 p. : 22 cm.
Cover title.
Roads --Embankments --Congresses
TA715 / .W927 1983
Cover title.
Roads --Embankments --Congresses
TA715 / .W927 1983