Technical committee on road tunnels : XVII World Road Congress, Sydney, Australia, 8-15 October 1983 /
- [s. l.] : [s. n.], 1983.
- 168 p. : ill. ; 21 cm.
Roads.
Tunnels.
TA805. / W927 1983
Roads.
Tunnels.
TA805. / W927 1983