. Bulletin de l'Acadmie impriale des sciences de Science; Science -- Soviet Union. i%n Dpc. 3. ,iO U 10 'W XI Hî74,0ct 3 â >0 30 40 SO M W 30 40 SO 0 10 -iO oO IL /^iywz/'yw^*^"*"^ yoji^;tiU-nt*pifif,^'jti. 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 Imperatorskaia Akademiia nauk (Russia). [St. -Ptersbourg], Acadmie impriale des sciences

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