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  1. 1
    出版 1983
    “...HE 7814 .E19...”
    图书
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    Economic analysis of telecommunications : theory and applications /
  2. 2
    出版 1993
    “...HE 7814 .C212 1993...”
    会议录 图书
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    Second Annual Conference on Canadian Telecommunications : towards a new era of competition : April 1993.

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