渡哲也（1941-2020）

https://atb66.blog.ss-blog.jp/2014-10-25

https://atb66.blog.ss-blog.jp/2014-12-03

https://atb66.blog.ss-blog.jp/2016-10-10

https://atb66.blog.ss-blog.jp/2016-10-31

https://atb66.blog.ss-blog.jp/2016-12-07