A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL. The file type is application/pdf.
application/pdf
永井 彰一郎. "混合ポルトランドセメントの一なる火山灰ポルトランドセメントに就て." Journal of the Ceramic Association, Japan 40.474 (1932) 366-380