http://vlkamov.livejournal.com/ ([identity profile] vlkamov.livejournal.com) wrote in [personal profile] vlkamov 2014-10-01 03:25 pm (UTC)

Re: >всякие электронные и ионные микроскопы как раз испо

Дифракция электронов была открыта в 1927 году.

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