Roughness and skid resistance presented at the Thirtieth Annual Meeting, 1951.

Xehetasun bibliografikoak
Erakunde egilea: National Research Council (U.S.). Highway Research Board
Beste egile batzuk: Moyer, Ralph A., Shupe, John W., Morgan, A. Duke
Formatua: Liburua
Hizkuntza:English
Argitaratua: Washington, D.C. Highway Research Board 1951.
Saila:Highway Research Board Bulletin 37.
Gaiak: