Transportation research information services 4 reports prepared for the 53rd annual meeting of the Highway Research Board.

Xehetasun bibliografikoak
Erakunde egilea: National Research Council (U.S.). Highway Research Board
Formatua: Liburua
Hizkuntza:English
Argitaratua: Washington Transportation Research Board, National Research Council 1974.
Saila:Transportation Research Record no.493
Gaiak: