Publication coverage: 1960s- Contains records for more than 400,000 books, journal articles, and technical reports covering all modes and disciplines of transportation. Some full text. Coverage from 1960's -
Includes technical reports published by the Department of Energy, Environmental Protection Agency (EPA), National Aeronautics and Space Administration (NASA) and the Defense Technical Information Center (DTIC) of the United States government.
Central source for the public sale of U.S. government sponsored research, development, and engineering reports, as well as foreign technical reports. Subject coverage includes: agriculture, aeronautics, chemistry, civil engineering, energy, environmental pollution control, industrial and mechanical engineering, manufacturing technology, and transportation.