Parking eight papers presented at the Twenty-eighth Annual Meeting, 1948.

Xehetasun bibliografikoak
Erakunde egilea: National Research Council (U.S.). Highway Research Board
Formatua: Liburua
Hizkuntza:English
Argitaratua: Washington, D.C. Highway Research Board 1949.
Saila:Highway Research Board Bulletin 19.
Gaiak: