Apr 3, 2014

Slovakia FDC on "International Year of Crystallography"

First Day Cover
Sobrescrito de 1.º Dia


International Year of Crystallography

Date of Issue : 14 February 2014

In 2014 we will celebrate 100 years since awarding the Nobel Price to Max von Laue for the experiments that for the first time revealed the atomic (crystal) structure of solid matter via X-ray diffraction. That is why the UNO announced the year 2014 to be the International Year of Crystallography.

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