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An economic theory of technological change : the case of patents and the United States railroads, 1871-1950 / Trevor John Orme Dick. (Dissertations in American economic history)

An economic theory of technological change : the case of patents and the United States railroads, 1871-1950 / Trevor John Orme Dick. (Dissertations in American economic history)
Paper図書
Arno Press1978, c1970.<DK71-A11>
National Diet Library
  • Subject Heading... Case studies. Patents -- United States -- History -- Case studies. Investments -- United States...

An economic theory of technological change : the case of patents and the United States railroads, 1871-1950

An economic theory of technological change : the case of patents and the United States railroads, 1871-1950
Paper図書
Trevor John Orme DickArno Press1978, c1970
Other Libraries in Japan
  • Subject Heading...- Case studies Patents -- United States -- History -- Case studies Investments -- United States ...
  • Subject Heading (ID)...- Case studies Patents -- United States -- History -- Case studies Investments -- United States ...

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