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}
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}
@article{Zimmermann1999,
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}
@article{Ziener1999,
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  year      = {1999},
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}
@article{ZiehmannSmithKurths1999,
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}
@article{ZiegenhainDreisoernerDerksen1999,
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}
@article{ZiegenhainDreisoernerDerksen1999,
  author    = {Ziegenhain, Ute and Dreis{\"o}rner, R. and Derksen, B.},
  title     = {Intervention bei jugendlichen M{\"u}ttern},
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  year      = {1999},
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}
@article{Ziegenhain1999,
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  title     = {Assessing children{\"i}s representational attachment models through a separation story : longitudinal relations to behavioral measures of motherchild attachment quality},
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  year      = {1999},
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@article{Ziegenhain1999,
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}