Impact Factor
1.24
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 1928-29 have title in Japanese only.
Print issues ceased with v. 107, no. 4 (Oct. 2016).
Publication suspended Nov. 1944-Apr. 1946.
Supplements accompany some numbers.
Also issued online.
Issues for 1930-44 have table of contents and abstracts in English, German, or French; 1946- English.
Indexes: maki 1-20, 1912-31. 1 v.