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

Manylion Llyfryddiaeth
Awduron Corfforaethol: American Transit Association, Purdue University. School of Civil Engineering, National Research Council (U.S.). Highway Research Board
Fformat: Llyfr
Iaith:English
Cyhoeddwyd: Washington, D.C. [Highway Research Board] National Research Council 1973.
Cyfres:Special report (National Research Council (U.S.). Highway Research Board) 137.
Pynciau: