https://www.asymptotejournal.com/blog/2017/09/27/2817-perec-the-celestial-eccentricity-of-georges-perecs-writing/
an appendix to pearlofcivilization.net
https://www.asymptotejournal.com/blog/2017/09/27/2817-perec-the-celestial-eccentricity-of-georges-perecs-writing/