Гексагональна структура кристалічної ґратки
The original uploader was <a href="https://en.wikipedia.org/wiki/User:Danieljamesscott" class="extiw" title="wikipedia:User:Danieljamesscott">Danieljamesscott</a> at <a href="https://en.wikipedia.org/wiki/" class="extiw" title="wikipedia:">English Wikipedia</a>.
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Transferred from <span class="plainlinks"><a class="external text" href="https://en.wikipedia.org">en.wikipedia</a></span> to Commons.