Preliminary findings from the National Crash Severity Study (NCSS).

Mode of access: Internet.

Summary statistics of the national railroad-highway crossing inventory for public at-grade crossings. Final report.

Federal Railroad Administration, Office of Policy and Program Development, Washington, D.C.

Computer science research at Langley : proceedings of a workshop held at Langley Research Center, November 2-5-, 1981 /

Subject Category 59.

National union list of current Japanese serials in East Asian libraries of North America /

Mode of access: Internet.

Restraint usage and effectiveness on the National Crash Severity Study.

Mode of access: Internet.

NASS zone center quality control manual, January 1981.

National Highway Traffic Safety Administration, Washington, D.C.

National Workshop on Bus-Wheelchair Accessibility, May 7-9, 1986.

"UMTA Technical Assistance Program"--Cover.

Overview of the 1985 NASA Lewis Research Center SP-100 free-piston Stirling engine activities.

Energy Department, Washington, D.C.

An evaluation of center high mounted stop lamps based on 1987 data.

Mode of access: Internet.

The effectiveness of center high mounted stop lamps: a preliminary evaluation.

Mode of access: Internet.

National family growth survey /

Mode of access: Internet.

1992 National mortality followback survey /

Mode of access: Internet.

Findings of the national longitudinal survey of young Americans, 1979 /

Item 780-A-11

Methane generation from human, animal, and agricultural wastes : report of an ad hoc panel of the Advisory Committee on Technology Innovation, Board on Science and Technology for International Development, Commission on International Relations, National Research Council.

Mode of access: Internet.

National five digit zip code and post office directory /

Kept up to date by addenda.