This article has now been updated. Please use the final version.
Silicon-substituted magnetite and accompanying iron oxides and hydroxides from the Kumano mine, Yamaguchi Prefecture, Japan: Reexamination of the so-called maghemite (γ-Fe2O3)
Vol.31 (1944) No. 5 and No.6 of the predecessor journal, "The Journal of the Japanese Association of Mineralogists, Petrologists and Economic Geologists" are available at this J-Stage site. (updated Aug. 2, 2018)