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Those articles are published by Mr. Chih-Hao Tsai on the internet newsgroup. We have Mr. Tsai's permission to have his articles on our web. All rights belong to Mr. Tsai.
Mr. Tsai is a Ph.D. candidate at University of Illinois.
His email address is c-tsai4@uiuc.edu. He also has a web page at http://casper.beckman.uiuc.edu/~c-tsai4.

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