Author
SpringerLink (Online service)
51
SpringerLink (Online Service)
18
Library of Congress. Congressional Research Service,
13
ScienceDirect (Online service)
10
United States. Congress. Senate. Committee on Homeland Security and Governmental Affairs,
9
Valavanis, K.
9
United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Aviation,
8
Army War College (U.S.). Strategic Studies Institute,
7
Films for the Humanities & Sciences (Firm)
6
Infobase
6
MESAS (Workshop)
6
Oxford Scholarship Online
6
Army War College (U.S.). Press,
5
Geological Survey (U.S.),
5
United States. Congress. House. Committee on Homeland Security,
5
United States. Congress. Senate. Committee on Commerce, Science, and Transportation,
5
United States. Federal Aviation Administration,
5
Piegl, Les A.
4
United States. Congress. House. Committee on the Judiciary,
4
Army Press (U.S.),
3
Biden, Joseph R., Jr.,
3
Hoehn, John R.,
3
Law Library of Congress (U.S.). Global Legal Research Directorate,
3
United States. Congress. House. Committee on Foreign Affairs,
3
United States. Department of Homeland Security. Office of Inspector General,
3
United States. Department of Justice. Office of the Inspector General,
3
United States. President (2021- : Biden),
3
ABC International
2
Al-Turjman, Fadi
2
Bunker, Robert J.,
2
Castillo, Pedro, 1975-
2
Colorado. General Assembly. Legislative Council
2
Dalamagkidis, K.
2
Elias, Bartholomew,
2
Fagiolini, Adriano
2
Gertler, Jeremiah,
2
Hodicky, Jan,
2
Infobase,
2
International Conference on Unmanned Aerial System in Geomatics
2
International Symposium on Unmanned Aerial Vehicles
2
Jain, Kamal
2
MESAS (Workshop) Prague, Czech Republic)
2
MESAS (Workshop) Rome, Italy)
2
Mazal, Jan
2
Mazal, Jan,
2
Merlin, Peter W., 1964-
2
Oh, Paul Y.
2
Ollero, A.
2
ProQuest (Firm)
2
Rutherford, Matthew J.
2
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