Author
Geological Survey (U.S.)
29
Educational Resources Information Center (U.S.)
11
Michalski, Thomas C.
11
Richards, Diana L.
10
National Institute of Standards and Technology (U.S.)
8
United States. Office of Educational Research and Improvement
6
National Institute of Standards and Technology (U.S.). Office of Information Services
4
United States. National Aeronautics and Space Administration. Scientific and Technical Information Program
4
United States. National Bureau of Standards
4
National Heart, Lung, and Blood Institute. Office of Prevention, Education, and Control
3
Podany, Zita
3
United States. Department of Education
3
United States. National Technical Information Service
3
Vanderheiden, Gregg C., 1949-
3
Alvina Treut Burrows Institute
2
Astronomical Data Center (U.S.)
2
Borden, Peter A.
2
Cantillo, Adriana Y.
2
Cold Regions Research and Engineering Laboratory (U.S.)
2
Dunlop, John B.
2
Educational Research Library (United States. Office of Educational Research and Improvement)
2
Emery, George W.
2
Goddard Space Flight Center
2
International Programs Center (U.S.). Eurasia Branch
2
Library of Congress
2
Modern Talking Picture Service
2
National Institute of Standards and Technology (U.S.). Information Resources and Services Division
2
National Status and Trends Program (U.S.)
2
Pashina, Ludmilla
2
Raufaste, Noel J.
2
Smithsonian Institution. Press
2
Special Education Programs (U.S.). Captioning and Adaptation Branch
2
Standard Reference Materials Program (National Institute of Standards and Technology (U.S.))
2
Stroup, David W.
2
United States. Administration on Aging
2
United States. Congress. Senate
2
United States. Congress. Senate. Office of the Curator
2
United States. Congress. Senate. Office of the Secretary
2
United States. Congressional Budget Office
2
United States. Defense Contract Audit Agency
2
United States. Environmental Protection Agency
2
United States. Environmental Protection Agency. Office of Pesticide Programs
2
United States. Environmental Protection Agency. Office of Science and Technology
2
United States. Environmental Protection Agency. Office of Solid Waste and Emergency Response
2
United States. Environmental Protection Agency. Prevention, Pesticides, and Toxic Substances
2
United States. National Aeronautics and Space Administration
2
ACCESS ERIC (Project)
1
American Fisheries Society. Annual Meeting
1
Army War College (U.S.). Strategic Studies Institute
1
Asher, Steven R.
1
more ...