Road tunnels more than 500 feet long
By: by Ann S. H. Reid
Series: Road Research Laboratory. Road research technical paper -- no. 78; Road research technical paper -- no. 78.
Publisher: H. M. Stationery Off.
Published: 1965
Place of publication: London
Language: eng
Number of pages: 67
Notes: At head of title: Ministry of Transport.

Bibliography: p. 65-[68]