Items where Author is "Niggli, Hugo"
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Ignatov, Ignat and Antonov, Anton and Neshev, Nikolai and Niggli, Hugo and Stoyanov, Chavdar and Drossinakis, Christos (2021) High-frequency Coronal Discharge, Infrared Thermography and Visual Acuity Measurements of Bioelectromagnetic Influence. Physical Science International Journal, 25: 3. pp. 18-28. ISSN 2348-0130