一般注記Description based on the latest issue
Frequency varies
With special issue: Hitachi technology (-1997, 2012/2013-)
別の媒体に関する注記v. 47, no. 2-v. 64, no. 10 on world wide web
所蔵巻次・年月次(所蔵事項)4 (1953.8), v. 7, no. 1 (1958.3)-v. 47, no. 1 (1998.2), volume 61, number 4 (August 2012)- (Library lacks: v. 16, no. 7)
改題前吸収前 : Hitachi Technology (ISSN:0018-277X) Volume 61, number 4-
改題後派生後 : Hitachi Technology (ISSN:0018-277X) Volume 47, Number 3-