這是一篇介紹有關於電話通訊的一些研究工作的文章，多半是我昔日在貝爾實驗室所學到的。曾登在《科學月刊》，全文有一點長， pdf 檔在：
Please click here
This entry was posted
on Wednesday, February 5th, 1975 at 7:03 pm and is filed under 專業散文.
You can follow any responses to this entry through the RSS 2.0 feed.
You can leave a response, or trackback from your own site.