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AbstractThis paper has been removed by arXiv administrators because it plagiarizes gr-qc/0105122. This paper also has excessive overlap with the following paper also written by the authors or their collaborators: gr-qc/0502059, gr-qc/0502061, gr-qc/0510038, gr-qc/0502032, gr-qc/0207026, gr-qc/0506062, gr-qc/0505078, and others.
Comment: withdrawn by arXiv administrators due to plagiarism. See http://arxiv.org/new/withdrawals.aug.07.html