Proceedings - Pennsylvania Highway Transportation Conference and Workshop, September 10 - 12, 1969, University Park, Pennsylvania : "Interactions"
Pennsylvania Highway Transportation Conference and Workshop ; 3 ; 1969 ; University Park, Pa. Pennsylvania Highway Transportation Conference and Workshop ; 3 (University Park, Pa.) : 1969.09.10-12
1969
XV, 61 S.
Ill., graph. Darst.
Digital preservation by Technische Informationsbibliothek (TIB) / Leibniz-Informationszentrum Technik und Naturwissenschaften und Universitätsbibliothek
Conference Proceedings
English