This article has now been updated. Please use the final version.
Dendritic magnetite crystals in rapid quenched fine spherules produced by falling experiments through the high temperature furnace with controlled gas flow
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)