| 1. 
  |  | Title: Gunn-effect logic devices by Hans Hartnagel
 ISBN: 0435714856
 Publisher: Heinemann Educational
 Pub. Date: 1973
 
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| 2. 
  |  | Title: Semiconducting Transparent Thin Films by Hans Hartnagel, A.L. Dawar, A. K. Jain, C. Jagadish
 ISBN: 0750303220
 Publisher: Iop Institute of Physics
 Pub. Date: 01 November, 1995
 List Price: $180.00
 Amazon.com Price: $180.00
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| 3. 
  |  | Title: Semiconductor plasma instabilities,: Including Gunn-effect and avalanche oscillations by Hans Hartnagel
 ISBN: 0444197494
 Publisher: American Elsevier Pub. Co
 Pub. Date: 1969
 
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| 4. 
  |  | Title: Hochfrequenztechnik 2: Elektronik Und Signalverarbeitung by A. Vlcek, Hans Ludwig Hartnagel
 ISBN: 0387550844
 Publisher: Springer Verlag
 Pub. Date: 01 March, 1993
 List Price: $68.00
 Amazon.com Price: $68.00
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| 5. 
  |  | Title: Electronics at European universities: The present position and future requirements; an inaugural lecture delivered before the University of Newcastle upon Tyne on Monday, 7th February 1972, by Hans Hartnagel
 ISBN: 0900565713
 Publisher: University of Newcastle upon Tyne
 Pub. Date: 1972
 
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| 6. 
  |  | Title: Microwave Noise in Semiconductor Devices by Hans Ludwig  Hartnagel, Ramūnas  Katilius, Arvydas  Matulionis
 ISBN: 0471384321
 Publisher: Wiley-Interscience
 Pub. Date: 02 January, 2001
 List Price: $99.50
 Amazon.com Price: $99.50
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