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ISSN:0009-4722|78|6|501-510

Springer Publishing Company ‎(2007)‎

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ISSN:0009-4722|80|8|730-733

Springer Publishing Company ‎(2009)‎

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ISSN:0930-2794|13|7|730-731

Springer Publishing Company ‎(1999)‎

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ISSN:0009-4722|79|8|753-758

Springer Publishing Company ‎(2008)‎

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