by Serena, Chad C | ProQuest (Firm).
by Serena, Chad C.
by Paul, Christopher, 1971- [author.] | Clarke, Colin P [author.] | Serena, Chad C [author.] | Rand Corporation.
by Paul, Christopher, 1971- [author.] | Serena, Chad C [author.] | Clarke, Colin P [author.] | Rand Corporation. National Security Research Division [sponsor.].