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| LieseEndler (talk | contribs) | LieseEndler (talk | contribs)  | ||
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| [[Image:waves1.png]] | [[Image:waves1.png]] | ||
| [[Image:devices+waves.png]] | [[Image:devices+waves.png]][[Image:Crystals waves-interference.png]] | ||
| [[Image:Interference1.png]] | [[Image:Interference1.png]] | ||
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