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by Elen, Jan; Verburgh, an
by Rauch, Sheila A.M.; Rothbaum, Barbara Olasov; Smith, Erin R.; et al.
by Tucker-Raymond; Eli
by Foth, Thomas
by Bergen; Doris
by National Defense University; Institute for National Stategic Studies; Center for Strategic Research
by Pareja-Lora, Antonio; Blume, Maria; Lust, Barbara C.; et al.
by Congressional Research Service