Public transportation research needs proceedings of a conference, Purdue University, November 4-5, 1971.

Xehetasun bibliografikoak
Egile korporatiboa: American Transit Association, Purdue University. School of Civil Engineering, National Research Council (U.S.). Highway Research Board
Formatua: Liburua
Hizkuntza:English
Argitaratua: Washington, D.C. [Highway Research Board] National Research Council 1973.
Saila:Special report (National Research Council (U.S.). Highway Research Board) 137.
Gaiak: