Roadstone : geological aspects and physical tests /
Phemister, J.(James),1893-1986,author.
Guppy, Eileen M.(Eileen Mary),author.
Markwick, A. H. D.(Alfred Herbert Dorlencourt),1904-1946,author.
Shergold, F. A.,author.
Great Britain.Road Research Board,issuing body.
Great Britain.His Majesty's Stationery Office.
"Sept., 1945".