Authors
Keiichi Miyajima
Ibaraki University, Faculty of Engineering, Japan
Hiroshi Yamazaki
Nagano Prefectural Institute of Technology, Nagano, Japan
© 2022 Keiichi Miyajima, Hiroshi Yamazaki, published by University of Białystok
This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 License.