 ISSN 0235-7216
ISSN 2424-4538 (online)
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2007 m. Nr. 4
 Chemistry in philately. 1. Symbols of chemical elements
Povilas NORKUS, Eugenijus NORKUS, Albert P. VAITAITIS
Data on alchemical symbols, symbols of chemical elements and Periodic Table of Chemical Elements are presented and discussed in terms of philately. The paper is ilustrated with more than 60 postage stamps, postal cards, envelopes and cancellations.
Keywords: alchemical symbols, symbols of chemical elements, periodic chemical element system, philately
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