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24由 Elder, Donald C., 1952-主题 “...Artificial satellites in telecommunication United States History....”
出版 1995
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26出版 1998主题 “...Internetworking (Telecommunication) Specifications United States....”
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30出版 2005主题 “...Telecommunication Law and legislation United States....”
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35出版 1996主题 “...Telecommunication policy United States....”
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36Law and the information superhighway : privacy, access, intellectual property, commerce, liability /由 Perritt, Henry H.主题 “...Telecommunication Law and legislation United States....”
出版 1996
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