. Commentationes physico-mathematicae. Mathematics; Physics. 18 Ossian Jddtnaa utxd Yrjo E. G. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Finska vetenskaps-societeten, Helsinki. Helsingfors

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Keywords: ., bookcentury1900, bookdecade1920, booksubjectphysics, bookyear1922