Title |
A comparison between US and internationel patent classification as input data of a technology competition : oriented cluster analysis / Reinhard Haupt und Matthias Korgel. Friedrich-Schiller-Universität Jena. Hrsg.: Wirtschaftswissenschaftliche Fakultät, Friedrich-Schiller-Universität Jena |
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Involved |
Reinhard Haupt (Verfasser) |
Published |
Jena: Univ., Wirtschaftswiss. Fak. |
Extent |
20 Bl. : graph. Darst. |
Language |
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Topic |
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Subject |
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DDC notation |
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Series |
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Record ID |
977700682 |
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