1
by Chivvis, Christopher S.
Published 2014
RAND

2
by Chivvis, Christopher S.
Published 2012
RAND

3
by Chivvis, Christopher S., Liepman, Andrew
Published 2013
RAND Corporation

4
by Chivvis, Christopher S.
Published 2009
RAND

5
by Chivvis, Christopher S.
Published 2010
RAND