Impact Factor
2.41
Estimated influence, citation density, publishing volume, and citation integrity from the analytics table.
Volume, recency, access pattern, and citing-community signals from the journal analytics record.
Recent article records with DOI-first linking and condensed abstracts.
Issues for 1921-29 called [nuova ser.] 1-9, but constitute v. 12-20.
Publication suspended 1920.
Nine supplements are published regularly.
Also issued online
Microfilm. v. 1 (1921)-9 (1929), v. 21 (1930)-26 (1935), v. 30 (1939)-40 (1949). 66 microfilm reels : negative ; 35 mm.
Articles in English starting with 2015.
v.27-29 (1936-1938)Condition reviewed 20061108 brittle