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* [http://www.almaz.com/nobel/physics/ Nobel Prizes in Physics] |
* [http://www.almaz.com/nobel/physics/ Nobel Prizes in Physics] |
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* [http://en.wikipedia.org/ Wikipedia] |
* [http://en.wikipedia.org/ Wikipedia] |
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− | *[http://www.wissen.de German Lexikon] |
+ | * [http://www.wissen.de German Lexikon] |
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