1
Published: 2010.
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2
Published: 2012.
Superior document: Hoover Institution Press publication ; no. 630
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3
Published: c2009.
Superior document: Hoover Institution Press publication ; no. 571
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4
Published: c2009.
Superior document: Hoover Institution Press publication ; no. 572
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5
Published: [2006]
Superior document: Hoover Institution Press publication ; no. 549
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6
Published: [2001]
Superior document: Hoover Institution Press publication ; number 486
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7
Published: [2003]
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