The rigidity modulus of Bitumens and Bitumen-filler mixtures /
Lonsdale, T.,author.
Wilson, J. S.,author.
Great Britain.Road Research Board,issuing body.
Great Britain.Department of Scientific and Industrial Research.
Great Britain.Ministry of Transport.
Great Britain.His Majesty's Stationery Office.
"January, 1939".
Issued jointly by the Department of Scientific and Industrial Research and the Ministry of Transport.