Transportation research circular - National Research Council (U.S.). Transportation Research Board (Washington, D.C. : Transportation Research Board, National Research Council, 1974)
Separately cataloged in LC before no. 299.
Chemical abstracts
Issue numbering for the print circulars is distinct from the issue numbering for the electronic only circulars of the same name.
Some circulars have addenda.
Select circulars for <1997-2001> available online.
Mode of access: Internet.
Keywords: Shipping -- Research -- United States; Railroads -- Research -- United States; Air travel -- Research -- United States; Transportation -- Research -- United States; Highway research -- United States; Road materials -- Research; Roads -- Design and construction -- Research; Highway engineering -- Research