1
by Davis, Paul K.
Published 2008
RAND Corp.

2
by Davis, Paul K.
Published 2008
Rand Corp.

3
by Davis, Paul K.
Published 2005
Rand, Project Air Force

4
by Davis, Paul K.
Published 2002
Rand

7
by Davis, Paul K.
Published 2012
RAND

8
by Davis, Paul K.
Published 2011
RAND