Symposium on "Geology as Applied to Highway Engineering." & Virginia. Dept. of Highways. (1950). Annual Symposium on Geology as Applied to Highway Engineering: [Proceedings]. s.n.].
Cita Chicago (17th ed.)Symposium on "Geology as Applied to Highway Engineering." i Virginia. Dept. of Highways. Annual Symposium on Geology as Applied to Highway Engineering: [Proceedings]. [S.l.: s.n.], 1950.
Cita MLA (8th ed.)Symposium on "Geology as Applied to Highway Engineering." i Virginia. Dept. of Highways. Annual Symposium on Geology as Applied to Highway Engineering: [Proceedings]. s.n.], 1950.
Atenció: Aquestes cites poden no estar 100% correctes.