Author
ProQuest (Firm)
2,090 results
Library of Congress. Congressional Research Service
977 results
SpringerLink (Online service)
544 results
Taylor & Francis
340 results
NetLibrary, Inc
314 results
ebrary, Inc
304 results
EBSCOhost
210 results
IGI Global Online
196 results
United States. Congress. Office of Technology Assessment
186 results
Knovel (Firm)
176 results
Society of Photo-optical Instrumentation Engineers
153 results
JSTOR (Organization)
116 results
United States. Government Accountability Office
112 results
United States. General Accounting Office
103 results
United States. Congress. Senate. Committee on Commerce, Science, and Transportation
88 results
United States. Federal Highway Administration
86 results
United States. Congress. Senate. Committee on Energy and Natural Resources
76 results
Sage Publications
71 results
National Renewable Energy Laboratory (U.S.)
67 results
Organisation for Economic Co-operation and Development
67 results
Rand Corporation
65 results
University of California, Berkeley. Institute of Transportation Studies
63 results
United States. Environmental Protection Agency
60 results
United States. Congress. House. Committee on Small Business
59 results
Ebook Library
51 results
California. Department of Transportation
49 results
National Risk Management Research Laboratory (U.S.)
46 results
Superfund Innovative Technology Evaluation Program (U.S.)
46 results
Cambridge University Press
45 results
United States. Environmental Protection Agency. Technology Innovation Office
45 results
Safari, an O'Reilly Media Company
44 results
United States. Department of Energy
44 results
United States. Environmental Protection Agency. Office of Solid Waste and Emergency Response
42 results
United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Aviation
40 results
United States. National Aeronautics and Space Administration
40 results
United States. National Bureau of Standards
40 results
Partners for Advanced Transit and Highways (Calif.)
39 results
National Institute of Standards and Technology (U.S.)
36 results
Texas Transportation Institute
35 results
United States. Agricultural Research Service
33 results
National Academy of Engineering
32 results
Walter de Gruyter & Co
32 results
United States. Congress. House. Committee on Energy and Commerce
31 results
National Institute of Justice (U.S.)
30 results
United States. Congress. Joint Economic Committee
29 results
United States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on Science, Technology, and Space
29 results
United States. Environmental Protection Agency. Office of Research and Development
29 results
Kanopy (Firm)
28 results
Texas. Department of Transportation
28 results
United States. Congress. House. Committee on Science
28 results
more…