Impact Factor
3.33
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.
Print issues ceased with v. 108 (2016).
Also issued online.
Microfilm. v. 1 (1908)-v.54 (1962). 36 microfilm reels : negative ; 35 mm.
Text in Italian.