. Bulletin de la Société fribourgeoise des sciences naturelles : compte-rendu. Natural history; Science. BULLETIN DE LA SOCIÉTÉ FRIBOURGEOISE DES SCIENCES NATURELLES COMPTE-RENDU 1918-1919 ET 1919-1920 VOL. XXV Avec 4 graphiques et 5 photographies. ^ -2, -T? (;9 o FRIBOURG IMPRIMERIE FRAGNIERE FRÈRES 1921. 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 Société fribourgeoise des sciences naturelles. Fribourg : Imprimerie An
. Bulletin de la Société fribourgeoise des sciences naturelles : compte-rendu. Natural history; Science. BULLETIN DE LA SOCIÉTÉ FRIBOURGEOISE DES SCIENCES NATURELLES COMPTE-RENDU 1918-1919 ET 1919-1920 VOL. XXV Avec 4 graphiques et 5 photographies. ^ -2, -T? (;9 o FRIBOURG IMPRIMERIE FRAGNIERE FRÈRES 1921. 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 Société fribourgeoise des sciences naturelles. Fribourg : Imprimerie Ant. Henseler
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Keywords: ., bookcentury1800, booksubjectnaturalhistory, booksubjectscience
