Zeltiņš, N. -. Enerģija un Pasaule, 2020, No. 3, pp.24-31. ISSN 1407-5911.
Publication language Latvian (lv)
Publication Type Popular science articles
ID: 31467
The Scientific Library of the Riga Technical University. E-mail: uzzinas@rtu.lv; Phone: +371 28399196
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