. Bulletin de la Société fribourgeoise des sciences naturelles : compte-rendu. Natural history; Science. BULLETIN DE LA SOCIÉTÉ FRIBOURGEOISE DES SCIENCES NATURELLES COMPTE-EENDU 1912-1913 VOL. XXI Avec 3 graphiques et 1 portrait \ ( > il. ;^s:iS&S FRIBOURG IMPRIMERIE FRAGNIÈRE FRÈRES 191Ï V> >'> It. 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 : Imp
. Bulletin de la Société fribourgeoise des sciences naturelles : compte-rendu. Natural history; Science. BULLETIN DE LA SOCIÉTÉ FRIBOURGEOISE DES SCIENCES NATURELLES COMPTE-EENDU 1912-1913 VOL. XXI Avec 3 graphiques et 1 portrait \ ( > il. ;^s:iS&S FRIBOURG IMPRIMERIE FRAGNIÈRE FRÈRES 191Ï V> >'> It. 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
