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This paper has been withdrawn by the author due to a gap in the proof of the main result.

This paper has been withdrawn by the author, due to possible counter-examples.

This paper has been withdrawn by the authors due to new experimental results.

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This paper has been withdrawn by the authors because the paper is largely revised and improved, and to appear in Mechanics Research Communications.

This paper has been withdrawn by the author because overcame by arXiv:0910.4694

This paper is withdrawn by the author. See math.GT/9811093 for replacement.

This paper has been withdrawn while the author verifies the literature.

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This paper has been withdrawn by the author due to a crucial errors.

This paper has been withdrawn by the author due to the paper does not belong to Condensed Matter field.

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This paper was withdrawn by the author.

This paper has been withdrawn by the authors.

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