Symmetry010

Symmetry010

[1] The Symmetry010 Calendar, Dr. Irv Bromberg, University of Toronto, Canada, , http://individual.utoronto.ca/kalendis/classic.htm

[2] The Symmetry454 Calendar, Dr. Irv Bromberg, University of Toronto, Canada, , http://individual.utoronto.ca/kalendis/symmetry.htm

[4] Symmetry Calendar Date Conversion Sheets, Dr. Irv Bromberg, University of Toronto, Canada, , http://individual.utoronto.ca/kalendis/convert/index.html

[5] Symmetry454 and Symmetry010 Calendar FAQs - Symmetry454-Calendar-FAQs.pdf, , http://individual.utoronto.ca/kalendis/Symmetry454-Calendar-FAQs.pdf

[6] Symmetry454 Calendar Birthdays, Holidays and Events - Symmetry454-Events.pdf, , http://individual.utoronto.ca/kalendis/Symmetry454-Events.pdf

[3] この著者のサイトでは両暦法ヘブライ暦改良案とグレゴリオ暦の併記で更新日時が書かれています。

[7] New Year’s Revolution - University of Toronto Magazine, https://magazine.utoronto.ca/research-ideas/culture-society/irv-bromberg-symmetry454-new-calendar-idea/

[8] What is Irvember?, Dr. Irv Bromberg, University of Toronto, Canada, , http://individual.utoronto.ca/kalendis/irvember.htm