Yasumi NAGASAKA. Development of Educational CAD/CAM Teaching Material (Part3, Development of Exercise Subject Creation Function suited to Modeling Capability). Jaournal of Japan Society for Design Engineering. 2014. Vol.49. No.1. 36-42-43
Akira Tanji, Ryota Kobayashi, Yasumi Nagasaka, Kenichi Matsuno. The examination of the practical use as the museum of “machine tool drawing” written in the TAISHO and the SHOWA era. Proceedings of the Eighth China-Japan International Conference, On History of Mechanical Technology and Mechanical Design (8), p.2. 2010. CDROM