1
Published: 2004
Superior document: Enthalten in The methods and materials of demography San Diego, Calif. [u.a.], 2004 S. 455 - 492
2
3
Published: c1996.
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4
Published: 1998.
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5
Published: 1995.
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6
Published: 1997.
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7
Published: 1996.
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8
Published: 1996.
Superior document: The compass series
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